:root {
    --opposite-background-color: 0,0,0;
    --base-text-size: 18px;
    --text-size: 1;
    --line-height: 1.5;

    --main-color: #a2d1f0;
    --main-darker: #85c3eb;

    --main-font: sans-serif;

    --readable-width: 80ch;

    --hr-color: #eeeeee;

    --spacing: 1rem;
    --half-space: calc(0.5 * var(--spacing));
    --third-space: calc(1 / 3 * var(--spacing));
    --two-thirds-space: calc(2 / 3 * var(--spacing));
    --double-space: calc(2 * var(--spacing));
    --quad-space: calc(4 * var(--spacing));

    --text-pad: calc(0.1 * var(--spacing));
    --double-text-pad: calc(2 * var(--text-pad));

    --transition-duration: 0.5s;
    --half-transition: calc(0.5 * var(--transition-duration));
    --double-transition: calc(2 * var(--transition-duration));
    --quad-transition: calc(4 * var(--transition-duration));

    --background-color: white;
    --text-color: black;
    --link-color: #0000ee;
    --link-hover-color: #5252e0;
    --link-active-color: #ee0000;
    --help-color: #333333;

    --top-nav-bg: #a2d1f0;
    --top-nav-border: #85c3eb;
    --top-nav-color: black;
    --top-nav-muted-color: #444444;

    --button-radius: 0.2em;

    /* Success: green
     * Warning: orange
     * Danger: red
     * Muted: grey
     * Info: blue
     */

    --border-color: currentColor;

    --success-color: #008000;
    --warning-color: #996700;
    --danger-color: #d40000;
    --muted-color: #636363;
    --info-color: #0c6dcf;

    --input-bg: #f8f8f8;

    --button-color: black;
    --button-border-color: #b0b0b0;
    --button-bg: #e9e9e9;
    --button-hover-bg: #d0d0d0;
    --button-active-bg: #b1b1b1;

    --primary-button-bg: #76f2ff;
    --primary-button-hover-bg: #00d7f0;
    --primary-button-active-bg: #00c1d9;
    --primary-button-color: black;
    --primary-button-border-color: #00a6bf;
    --success-button-bg: #008000;
    --success-button-hover-bg: #006e00;
    --success-button-active-bg: #006000;
    --success-button-color: white;
    --success-button-border-color: #2f9a2b;
    --warning-button-bg: #ffc251;
    --warning-button-hover-bg: #ebaf3a;
    --warning-button-active-bg: #d49917;
    --warning-button-color: black;
    --warning-button-border-color: #e2a62e;
    --danger-button-bg: #be0000;
    --danger-button-hover-bg: #da3125;
    --danger-button-active-bg: #f44d3d;
    --danger-button-color: white;
    --danger-button-border-color: #650000;
    --muted-button-bg: #636363;
    --muted-button-hover-bg: #797979;
    --muted-button-active-bg: #8f8f8f;
    --muted-button-color: white;
    --muted-button-border-color: #444444;
    --info-button-bg: #324fad;
    --info-button-hover-bg: #4666c7;
    --info-button-active-bg: #5d80e3;
    --info-button-color: white;
    --info-button-border-color: #060060;

    --alert-bg: #f5f5f5;
    --alert-color: var(--text-color);

    --code-color: #4b504e;
    --code-bg: #f9f2f4;

    --pre-color: var(--code-color);
    --pre-bg: var(--code-bg);
    --pre-border: #cccccc;

    --success-alert-bg: #7bffac;
    --success-alert-color: #003400;
    --warning-alert-bg: #fff485;
    --warning-alert-color: #5e2e00;
    --danger-alert-bg: #be0000;
    --danger-alert-color: white;
    --muted-alert-bg: #e9e9e9;
    --muted-alert-color: black;
    --info-alert-bg: #deeeff;
    --info-alert-color: #002e5b;

    --th-bg: #e6e6e6;
    --td-bg: #f8f8f8;;
    --td-stripe-bg: #f9f9f9;
    --td-warning-color: #996700;
    --table-border-color: #ccc;

    --score-correct-color: var(--success-color);
    --score-partial-color: #bc8929;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: black;
        --text-color: white;
        --link-color: #7cd6ff;
        --link-hover-color: #b3caee;
        --link-active-color: #ffaa9c;
        --help-color: #dbdbdb;

        --top-nav-bg: #213f52;
        --top-nav-border:#19465f;
        --top-nav-color: white;
        --top-nav-muted-color: #d8d8d8;
        --success-color: #7cffad;
        --warning-color: #fdc04f;
        --danger-color: #ffbaad;
        --muted-color: #cacbcd;
        --info-color: #b8c9ff;

        --input-bg: #111111;

        --button-color: white;
        --button-border-color: #585858;
        --button-bg: #333333;
        --button-hover-bg: #444444;
        --button-active-bg: #666666;

        --primary-button-bg: #00626f;
        --primary-button-hover-bg: #9f428b;
        --primary-button-active-bg: #aa4c95;
        --primary-button-color: white;
        --primary-button-border-color: #008996;
        --success-button-bg: #006400;
        --success-button-hover-bg: #5b7339;
        --success-button-active-bg: #6e874c;
        --success-button-color: white;
        --success-button-border-color: #008000;
        --warning-button-bg: #bd4800;
        --warning-button-hover-bg: #cf5900;
        --warning-button-active-bg: #d96205;
        --warning-button-color: white;
        --warning-button-border-color: #a93c00;
        --danger-button-bg: #be0000;
        --danger-button-hover-bg: #da3125;
        --danger-button-active-bg: #f44d3d;
        --danger-button-color: white;
        --danger-button-border-color: #650000;
        --muted-button-bg: #636363;
        --muted-button-hover-bg: #797979;
        --muted-button-active-bg: #8f8f8f;
        --muted-button-color: white;
        --muted-button-border-color: #444444;
        --info-button-bg: #324fad;
        --info-button-hover-bg: #4666c7;
        --info-button-active-bg: #5d80e3;
        --info-button-color: white;
        --info-button-border-color: #060060;

        --alert-bg: #191919;
        --alert-color: var(--text-color);

        --success-alert-bg: #005200;
        --success-alert-color: #7cffad;
        --warning-alert-bg: #9b2f00;
        --warning-alert-color: #fff486;
        --danger-alert-bg: #820000;
        --danger-alert-color: #ffdfd1;
        --muted-alert-bg: #191919;
        --muted-alert-color: #eee;
        --info-alert-bg: #003469;
        --info-alert-color: #e6f8ff;

        --th-bg: #222;
        --td-bg: #1f1f1f;
        --table-border-color: #666;

        --score-correct-color: #00e254;
        --score-partial-color: #d1992e;
    }
}

@media (prefers-reduced-motion: reduce) {
    --transition-duration: 0s;
}

* {
    box-sizing: border-box;
}

body, .table .table, .form-control, .btn-default {
    background-color: var(--background-color);
    color: var(--text-color);
}
code, kbd, pre, samp {
    font-family: monospace;
    font-size: 1em;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
/*! Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css */
@media print {
    *,
    *:before,
    *:after {
        background: transparent !important;
        color: var(--text-color) !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    a, a:visited {
        text-decoration: underline;
    }
    a[href]:after {
        content: " (" attr(href) ")";
    }
    abbr[title]:after {
        content: " (" attr(title) ")";
    }
    a[href^="#"]:after,
    a[href^="javascript:"]:after {
        content: "";
    }
    pre,
    tr,
    img,
    blockquote {
        page-break-inside: avoid;
    }
    thead {
        display: table-header-group;
    }
    img {
        max-width: 100% !important;
    }
    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }
    h2,
    h3 {
        page-break-after: avoid;
    }
}
*:before,
*:after {
    box-sizing: border-box;
}
html {
    font-size: calc(var(--text-size) * var(--base-text-size));
}
body {
    margin: 0;
    font-family: var(--main-font);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--background-color);
    --faint-background-color: rgba(var(--opposite-background-color), 0.1);
}
input,
button,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
figure {
    margin: 0;
}
img {
    vertical-align: middle;
}
hr {
    box-sizing: content-box;
    height: 0;
    margin-top: var(--double-space);
    margin-bottom: var(--double-space);
    border: 0;
    border-top: thin solid var(--hr-color);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
[role="button"] {
    cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}
h1,
h2,
h3 {
    margin-top: var(--double-space);
    margin-bottom: var(--spacing);
}
h4,
h5,
h6 {
    margin-top: var(--spacing);
    margin-bottom: var(--spacing);
}
h1 {
    font-size: 3rem;
}
h2 {
    font-size: 2rem;
}
h3 {
    font-size: 1.7rem;
}
h4 {
    font-size: 1.4rem;
}
h5 {
    font-size: 1rem;
}
h6 {
    font-size: 0.9rem;
}
p {
    margin: 0 0 var(--spacing) 0;
}
.text-center {
    text-align: center;
}
ul,
ol {
    margin-top: 0;
    margin-bottom: var(--spacing);
}
ul ul,
ol ul,
ul ol,
ol ol {
    margin-bottom: 0;
}
.list-unstyled {
    padding-left: 0;
    list-style: none;
}
.list-inline {
    padding-left: 0;
    list-style: none;
    margin-left: -var(--third-space);
}
.list-inline > li {
    display: inline-block;
    padding-left: var(--third-space);
    padding-right: var(--third-space);
}
blockquote {
    padding: var(--spacing) var(--double-space);
    margin: 0 0 var(--double-space);
    font-size: 1.25rem;
    border-left: var(--third-space) solid var(--hr-color);
}
blockquote p:last-child,
blockquote ul:last-child,
blockquote ol:last-child {
    margin-bottom: 0;
}
blockquote footer,
blockquote small {
    display: block;
    font-size: 80%;
    line-height: var(--line-height);
    color: var(--muted-color);
}
code {
    padding: var(--text-pad) var(--double-text-pad);
    font-size: 90%;
    color: var(--code-color);
    background-color: var(--code-bg);
    border-radius: var(--button-radius);
}
kbd {
    padding: var(--text-pad) var(--double-text-pad);
    font-size: 90%;
    color: #ffffff;
    background-color: #333333;
    border-radius: var(--button-radius);
    box-shadow: inset 0 -1px 0 rgba(var(--opposite-background-color), 0.25);
}
kbd kbd {
    padding: 0;
    font-size: 100%;
    font-weight: bold;
    box-shadow: none;
}
pre {
    overflow: auto;
    display: block;
    padding: var(--spacing);
    margin: 0 0 var(--spacing);
    font-size: 1rem;
    line-height: var(--line-height);
    word-break: break-all;
    word-wrap: break-word;
    color: var(--pre-color);
    background-color: var(--pre-bg);
    border: thin solid var(--pre-border);
    border-radius: var(--button-radius);
}
pre code {
    padding: 0;
    font-size: inherit;
    color: inherit;
    white-space: pre-wrap;
    background-color: transparent;
    border-radius: 0;
}
.container {
    margin-right: auto;
    margin-left: auto;
    padding-left: var(--spacing);
    padding-right: var(--spacing);
}
.container-fluid {
    margin-right: auto;
    margin-left: auto;
    padding-left: var(--spacing);
    padding-right: var(--spacing);
}
.row {
    margin-left: -var(--spacing);
    margin-right: -var(--spacing);
}
.col-sm-offset-3 {
    margin-left: 25%;
}
.col-sm-6,
.col-md-6 {
    position: relative;
    min-height: 1px;
    padding-left: var(--spacing);
    padding-right: var(--spacing);
}
table {
    background-color: transparent;
}
caption {
    padding-top: var(--half-space);
    padding-bottom: var(--half-space);
    color: var(--muted-color);
    text-align: left;
}
th {
    text-align: left;
}
.table {
    width: 100%;
    max-width: 100%;
    margin-bottom: var(--double-space);
}
.table > :is(thead, tbody, tfoot) > tr > :is(th, td) {
    padding: var(--half-space);
    line-height: var(--line-height);
    vertical-align: top;
    border-top: thin solid var(--table-border-color);
}
.table > thead > tr > th {
    vertical-align: bottom;
    border-bottom: medium solid var(--table-border-color);
}
.table > :is(caption + thead, colgroup + thead, thead:first-child) > tr:first-child > :is(th,td) {
    border-top: 0;
}
.table > tbody + tbody {
    border-top: medium solid var(--table-border-color);
}
.table .table {
    background-color: var(--background-color);
}
.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--td-stripe-bg);
}
table col[class*="col-"] {
    position: static;
    float: none;
    display: table-column;
}
table td[class*="col-"],
table th[class*="col-"] {
    position: static;
    float: none;
    display: table-cell;
}
.table-responsive {
    overflow-x: auto;
    min-height: 0.01%;
}
fieldset {
    padding: 0;
    margin: 0;
    border: 0;
    min-width: 0;
}
legend {
    display: block;
    width: 100%;
    padding: 0;
    margin-bottom: var(--double-space);
    font-size: 1.5rem;
    line-height: inherit;
    color: #333333;
    border: 0;
    border-bottom: thin solid #e5e5e5;
}
label {
    display: inline-block;
    max-width: 100%;
    margin-bottom: var(--third-space);
}
input[type="radio"],
input[type="checkbox"] {
    margin: var(--double-text-pad) 0 0;
    line-height: normal;
}
input[type="file"] {
    display: block;
}
input[type="range"] {
    display: block;
    width: 100%;
}
select[multiple],
select[size] {
    height: auto;
}
output {
    font-size: calc(var(--text-size) * var(--base-text-size));
}
.form-control {
    display: block;
    width: 100%;
    height: 39px;
    padding: var(--third-space) var(--two-thirds-space);
    font-size: var(--base-text-size);
    font-size: calc(var(--text-size) * var(--base-text-size));
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--background-color);
    background-image: none;
    border: thin solid #cccccc;
    border-radius: var(--button-radius);
    box-shadow: inset 0 1px 1px rgba(var(--opposite-background-color), 0.075);
    transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
}
.form-control:focus {
    border-color: #66afe9;
}
.form-control[disabled],
.form-control[readonly],
fieldset[disabled] .form-control {
    background-color: var(--input-bg);
    opacity: 1;
}
.form-control[disabled],
fieldset[disabled] .form-control {
    cursor: not-allowed;
}
textarea.form-control {
    height: auto;
}
.form-group {
    margin-bottom: var(--spacing);
}
:is(input[type="radio"], input[type="checkbox"])[disabled],
fieldset[disabled] :is(input[type="radio"], input[type="checkbox"]) {
    cursor: not-allowed;
}
.has-success .form-control {
    border-color: #3c763d;
    box-shadow: inset 0 1px 1px rgba(var(--opposite-background-color), 0.075);
}
.has-success .form-control:focus {
    border-color: #2b542c;
    box-shadow: inset 0 1px 1px rgba(var(--opposite-background-color), 0.075), 0 0 6px #67b168;
}
.has-error .form-control {
    border-color: #a94442;
    box-shadow: inset 0 1px 1px rgba(var(--opposite-background-color), 0.075);
}
.has-error .form-control:focus {
    border-color: #843534;
    box-shadow: inset 0 1px 1px rgba(var(--opposite-background-color), 0.075), 0 0 6px #ce8483;
}
.help-block {
    display: block;
    margin-top: var(--third-space);
    margin-bottom: var(--two-thirds-space);
    color: #737373;
}
.btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: normal;
    text-align: center;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: thin solid transparent;
    white-space: nowrap;
    padding: var(--third-space) var(--two-thirds-space);
    font-size: calc(var(--text-size) * var(--base-text-size));
    line-height: var(--line-height);
    border-radius: var(--button-radius);
    user-select: none;
}
.btn:hover,
.btn:focus {
    color: #333333;
    text-decoration: none;
}
.btn[disabled],
fieldset[disabled] .btn {
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.65;
    filter: alpha(opacity=65);
    box-shadow: none;
}
.btn-default {
    color: #333333;
    background-color: #ffffff;
    border-color: #cccccc;
}
.btn-default:is(:hover, :focus, :active) {
    color: #333333;
    background-color: #e6e6e6;
    border-color: #adadad;
}
.btn-default:active,
.btn-default.active {
    background-image: none;
}
.btn-default[disabled],
fieldset[disabled] .btn-default {
    background-color: var(--background-color);
    border-color: #cccccc;
}
.btn-primary {
    color: #333333;
    background-color: #f5f5f5;
    border-color: #e8e8e8;
}
.btn-primary:is(:hover, :focus, :active) {
    color: #333333;
    background-color: #dcdcdc;
    border-color: #cacaca;
}
.btn-primary:active {
    background-image: none;
}
.btn-primary[disabled],
fieldset[disabled] .btn-primary {
    background-color: #f5f5f5;
    border-color: #e8e8e8;
}
.btn-info {
    color: #ffffff;
    background-color: #5bc0de;
    border-color: #46b8da;
}
.btn-info:is(:hover, :focus, :active) {
    color: #ffffff;
    background-color: #31b0d5;
    border-color: #269abc;
}
.btn-info:active {
    background-image: none;
}
.btn-info[disabled],
fieldset[disabled] .btn-info {
    background-color: #5bc0de;
    border-color: #46b8da;
}
.btn-danger {
    color: #ffffff;
    background-color: #d9534f;
    border-color: #d43f3a;
}
.btn-danger:is(:hover, :focus, :active) {
    color: #ffffff;
    background-color: #c9302c;
    border-color: #ac2925;
}
.btn-danger:active {
    background-image: none;
}
.btn-danger[disabled],
fieldset[disabled] .btn-danger {
    background-color: #d9534f;
    border-color: #d43f3a;
}
.btn-link {
    color: #337ab7;
    font-weight: normal;
    border-radius: 0;
}
.btn-link:is(*, :active, [disabled]) {
    background-color: transparent;
    box-shadow: none;
}
.btn-link:is(*, :hover, :focus, :active) {
    border-color: transparent;
}
.btn-link:is(:hover, :focus) {
    color: #23527c;
    text-decoration: underline;
    background-color: transparent;
}
:is(.btn-link[disabled], fieldset[disabled] .btn-link):is(:hover, :focus) {
    color: #777777;
    text-decoration: none;
}
.btn-sm {
    padding: var(--third-space) var(--two-thirds-space);
    font-size: 0.9rem;
    line-height: var(--line-height);
    border-radius: var(--button-radius);
}
.btn-xs {
    padding: var(--text-pad) var(--third-space);
    font-size: 0.9rem;
    line-height: var(--line-height);
    border-radius: var(--button-radius);
}
.fade {
    opacity: 0;
    transition: opacity var(--half-transition) linear;
}
.fade.in {
    opacity: 1;
}
.nav {
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
}
.nav > li {
    position: relative;
    display: block;
}
.nav > li > a {
    position: relative;
    display: block;
    padding: var(--two-thirds-space) var(--spacing);
}
.nav > li > a:is(:hover, :focus) {
    text-decoration: none;
    background-color: #ccffcc;
}
.nav > li > a > img {
    max-width: none;
}
.navbar {
    position: relative;
    min-height: 3rem;
    margin-bottom: var(--double-space);
    border-bottom: thin solid transparent;
}
.navbar-toggle {
    color: #888888;
    font-size: 1.5em;
    width: 2em;
    height: 2em;
    text-align: center;
}
.navbar-toggle .hamburger-bar {
    display: block;
    width: 1.2rem;
    height: var(--text-pad);
    border-radius: 0;
    margin: 0 auto;
}
.navbar-toggle .hamburger-bar + .hamburger-bar {
    margin-top: var(--double-text-pad);
}
.navbar-nav {
    margin: var(--double-space) -var(--spacing);
}
.navbar-nav > li > a {
    padding-top: var(--two-thirds-space);
    padding-bottom: var(--two-thirds-space);
    line-height: var(--double-space);
}
.navbar-btn {
    margin-top: var(--third-space);
    margin-bottom: var(--third-space);
}
.navbar-text {
    margin-top: var(--spacing);
    margin-bottom: var(--spacing);
}
.navbar-default {
    background-color: var(--main-color);
    border-color: var(--main-darker);
}
.navbar-default .navbar-text {
    color: #333333;
}
.navbar-default .navbar-nav > li > a {
    color: #777777;
}
.navbar-default .navbar-nav > li > a:is(:hover, :focus) {
    color: #333333;
    background-color: transparent;
}
.navbar-default .navbar-nav > .active > a:is(*, :hover, focus) {
    color: #555555;
    background-color: var(--main-darker);
}
.navbar-default .navbar-toggle .hamburger-bar {
    background-color: currentColor;
}
.navbar-default .navbar-nav > .open > a:is(*, :hover, :focus) {
    background-color: var(--main-darker);
    color: #555555;
}
.pager {
    padding-left: 0;
    margin: var(--double-space) 0;
    list-style: none;
    text-align: center;
}
.pager li {
    display: inline;
}
.pager li > :is(a, span) {
    display: inline-block;
    padding: var(--third-space) var(--two-thirds-space);
    background-color: var(--background-color);
    border: thin solid #dddddd;
    border-radius: var(--button-radius);
}
.pager li > a:is(:hover, :focus) {
    text-decoration: none;
    background-color: var(--input-bg);
}
.pager .next > :is(a, span) {
    float: right;
}
.pager .previous > :is(a, span) {
    float: left;
}
.alert {
    padding: var(--spacing);
    margin-bottom: var(--double-space);
    border: thin solid transparent;
    border-radius: var(--button-radius);
}
.alert > p,
.alert > ul {
    margin-bottom: 0;
}
.alert > p + p {
    margin-top: var(--third-space);
}
.alert-info {
    background-color: #d9edf7;
    border-color: #bce8f1;
    color: #31708f;
}
.alert-info hr {
    border-top-color: #a6e1ec;
}
.alert-warning {
    background-color: #fcf8e3;
    border-color: #faebcc;
    color: #8a6d3b;
}
.alert-warning hr {
    border-top-color: #f7e1b5;
}
.alert-danger {
    background-color: #f2dede;
    border-color: #ebccd1;
    color: #a94442;
}
.alert-danger hr {
    border-top-color: #e4b9c0;
}
@keyframes progress-bar-stripes {
    from {
        background-position: 2rem 0;
    }
    to {
        background-position: 0 0;
    }
}
.progress {
    overflow: hidden;
    height: var(--double-space);
    margin-bottom: var(--double-space);
    background-color: #f5f5f5;
    border-radius: var(--button-radius);
    box-shadow: inset 0 1px 2px rgba(var(--opposite-background-color), 0.1);
}
.progress-bar {
    float: left;
    width: 0%;
    height: 100%;
    font-size: 0.9rem;
    line-height: var(--double-space);
    color: #ffffff;
    text-align: center;
    background-color: #337ab7;
    box-shadow: inset 0 -1px 0 rgba(var(--opposite-background-color), 0.15);
    transition: width var(--transition-duration) ease;
}
.well {
    min-height: var(--spacing);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    background-color: #f5f5f5;
    border: thin solid #e3e3e3;
    border-radius: var(--button-radius);
}
.modal {
    display: none;
    overflow: hidden;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1050;
}
.modal.fade .modal-dialog {
    transform: translate(0, -25%);
    transition: transform var(--transition-duration) ease-out;
}
.modal.in .modal-dialog {
    transform: translate(0, 0);
}
.modal-dialog {
    position: relative;
    width: auto;
    margin: var(--two-thirds-space);
}
.modal-content {
    position: relative;
    background-color: var(--background-color);
    border: thin solid rgba(var(--opposite-background-color), 0.2);
    border-radius: var(--button-radius);
    box-shadow: 0 3px 9px rgba(var(--opposite-background-color), 0.5);
    background-clip: padding-box;
}
.modal-header {
    padding: var(--spacing);
    min-height: var(--spacing);
}
.modal-title {
    margin: 0;
    line-height: var(--line-height);
}
.modal-body {
    position: relative;
    padding: var(--spacing);
}
.modal-footer {
    padding: var(--spacing);
    text-align: right;
    border-top: thin solid #e5e5e5;
}
.modal-footer .btn + .btn {
    margin-left: var(--third-space);
    margin-bottom: 0;
}
.modal-backdrop {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1040;
    background-color: #000000;
}
.modal-backdrop.fade {
    opacity: 0;
    filter: alpha(opacity=0);
}
.modal-backdrop.in {
    opacity: 0.5;
    filter: alpha(opacity=50);
}

.clearfix::before,
.container::before,
.container-fluid::before,
.row::before,
.form-horizontal .form-group::before,
.nav::before,
.navbar::before,
.navbar-header::before,
.pager::before,
.modal-footer::before,
.clearfix::after,
.container::after,
.container-fluid::after,
.row::after,
.form-horizontal .form-group::after,
.nav::after,
.navbar::after,
.navbar-header::after,
.pager::after,
.modal-footer::after {
    content: " ";
    display: table;
}
.clearfix::after,
.dl-horizontal dd::after,
.container::after,
.container-fluid::after,
.row::after,
.form-horizontal .form-group::after,
.nav::after,
.navbar::after,
.navbar-header::after,
.pager::after,
.modal-footer::after {
    clear: both;
}
.center-block {
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.pull-right {
    float: right !important;
}
.pull-left {
    float: left !important;
}

@media screen and (max-width: 767px) {
    .table-responsive {
        width: 100%;
        margin-bottom: var(--spacing);
        overflow-y: hidden;
    }
    .table-responsive > .table {
        margin-bottom: 0;
    }
    .table-responsive > .table > :is(thead. tbody, tfoot) > tr > :is(th, td) {
        white-space: nowrap;
    }
}
@media (min-width: 768px) {
    .container {
        width: calc(768px - var(--double-space));
    }
    .col-sm-6 {
        float: left;
    }
    .col-sm-6 {
        width: 50%;
    }
    .navbar {
        border-radius: var(--button-radius);
    }
    .navbar-nav {
        float: left;
        margin: 0;
    }
    .navbar-nav > li {
        float: left;
    }
    .navbar-nav > li > a {
        padding-top: var(--spacing);
        padding-bottom: var(--spacing);
    }
    .navbar-text {
        float: left;
        margin-left: var(--spacing);
        margin-right: var(--spacing);
    }
    .modal-dialog {
        max-width: calc(100svw - 2 * var(--double-space));
        width: var(--readable-width);
        margin: var(--double-space) auto;
    }
    .modal-content {
        box-shadow: 0 var(--third-space) var(--spacing) rgba(var(--opposite-background-color), 0.5);
    }
}
@media (min-width: 992px) {
    .container {
        width: calc(992px - var(--double-space));
    }
    .col-md-6 {
        float: left;
    }
    .col-md-6 {
        width: 50%;
    }
    .navbar-toggle {
        display: none;
    }
}
@media (min-width: 1200px) {
    .container {
        width: calc(1200px - var(--double-space));
    }
}

/*
Copyright 2011-16 Newcastle University

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
html {
    overflow: hidden;
}
body > #no-stylesheet {
    display: none;
}
body > #with-stylesheet {
    display: initial;
}

svg text {
    fill: var(--text-color);
}
input, select {
    background-color: var(--background-color);
    color: var(--text-color);
}

@media screen {
    p, pre, li {
        max-width: 80ch;
    }
}

.clearAfter:after {
    clear: both;
    content: '.';
    display: block;
    visibility: hidden;
    height: 0;
}

.break-words {
    word-break: break-word;
    hyphens: auto;
}

@media screen {
    .invisible {
        position: absolute !important;
        left: -2000000px;
        top: -2000000px;
        max-height: 100vh;
        overflow-y: scroll;
    }
}
@media print {
    ::-webkit-scrollbar {
        display: none;
    }
    .invisible:not(.print-visible) {
        position: absolute !important;
        left: -2000000px;
        top: -2000000px;
        max-height: 100vh;
        overflow-y: scroll;
    }
    .invisible.print-visible {
        visibility: visible;
    }
}

#everything th, #everything td {
	background-color: white;
	background-color: var(--background-color);
	padding: 2px 9px;
}
#everything thead th {
	background-color: #a2d1f0;
    background-color: var(--main-color);
	text-align: center;
}

ul, ol {
	padding-left: 0;
	list-style-position: inside;
}

iframe {
	border: none;
	max-width: 100%;
}

img, object[type*="image"] {
    max-width: 100%;
    height: auto;
}

.btn-info {
    color: #333;
    background-color: #a2d1f0;
    background-color: var(--main-color);
}
.btn-success {
    color: black;
    background-color: white;
    border-color: #4cae4c;
    border-width: 3px;
}
.btn-danger {
    color: #ffffff;
    background-color: hsl(1.7, 64.5%, 28%);
    border-color: hsl(1.7, 64.5%, 18%);
}

.table-responsive {
    overflow-y: hidden;
}

/*main template */

#loading .progress-bar {
	min-width: 8em;
}

#die {
	display: none;
	padding: 0 2em;
}
#die .error {
	background: #eee;
	padding: 1em;
}
#die .error:focus .stack {
	display: block;
}
#die .error .stack {
	display: none;
	font-family: monospace;
}
#die h2 {
	font-size: 1.6em;
}

.navbar .navbar-toggle {
	display: block;
}

.hamburger .nav > li {
    display: inline-block;
}

.hamburger .nav {
    margin-left: 15px;
    margin-right: 15px;
}

.navbar-fixed-top .nav {
    display: grid;
    grid-gap: 0.2em;
    padding-right: 1em;
    align-items: center;
    grid-template: "prev next end titleBits . stopWatch" auto / auto auto auto 1fr auto auto;
}
.navigate-menu .navbar-fixed-top .nav {
    grid-template: "back-to-menu titleBits . display-options" auto / auto auto 1fr auto;
}

.navbar-fixed-top .nav .prev { grid-area: prev; }
.navbar-fixed-top .nav .next { grid-area: end; }
.navbar-fixed-top .nav .end { grid-area: end; }
.navbar-fixed-top .nav .titleBits { grid-area: titleBits; }
.navbar-fixed-top .nav .stopWatch { grid-area: stopWatch; }
.navbar-fixed-top .nav .back-to-menu { grid-area: back-to-menu; }
.navbar-fixed-top .nav .display-options { grid-area: display-options; }


@media screen and (min-width: 480px) {
	.titleBits {
	    margin: 0 10px;
	}
}

#everything {
	overflow-x: hidden;
    overflow-y: hidden;
	display: grid;
    grid-template: "main";
    grid-gap: var(--spacing);
}
@media screen {
    #everything {
        height: 100vh;
    }
    .question, #infoDisplay {
        max-height: 100vh;
    }
}
body.show-nav #everything {
	grid-template: "navMenu main" / 300px;
}
#everything > #navMenu {
    grid-area: navMenu;
}
#everything > main {
    grid-area: main;
}
body.navigate-menu #everything > main,
body.info-page #everything > main {
    margin: 0 auto;
}
#everything > #topNav {
    grid-area: topNav;
    margin-bottom: 0;
    display: none;
}
body.navigate-menu.show-nav #everything {
    grid-template:
        "topNav" min-content
        "main" 1fr
    ;
    grid-gap: 0;
}
body.navigate-menu.show-nav #everything > #topNav {
    display: flex;
}

#everything > main > #questionContainer,
#everything > main > #infoDisplay {
    max-width: 1170px;
}
#everything > main > #questionContainer {
    padding-right: 0;
}

#navMenu-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

#topNav .nav {
    text-align: left;
    flex-grow: 1;
}

.navmenu {
    height: auto;
    border-style: solid;
    overflow-y: auto;
    border-width: 0 1px 0 0;
}

.navmenu-header {
    display: grid;
    grid-template: "brand close" "name close" max-content / 1fr min-content;
    gap: var(--spacing);
    padding: 0;
    grid-auto-flow: column;
    align-items: start;
    justify-items: start;
}

.navmenu-nav {
    margin-bottom: 0;
}
.navmenu-brand {
    display: block;
    font-size: 1em;
    padding: 0;
    margin: 0;
}
.navmenu-default {
    background-color: #a2d1f0;
    background-color: var(--main-color);
    border-color: #85c3eb;
    border-color: var(--main-darker);
}
.navmenu-default .navmenu-nav a {
    color: inherit;
}
.navmenu-default .navmenu-nav > .active > a {
    background-color: #a2d1f0;
    background-color: var(--main-color);
}

@media screen and (max-width: 992px) {
    body.show-nav.show-sidebar #everything {
        grid-template: "navMenu";
    }
    body.show-nav.show-sidebar #everything > main {
        display: none;
    }

    body.show-nav.show-sidebar #navMenu.question-nav {
        display: block;
    }
    body.show-sidebar #topNav {
        display: none;
    }

    body.show-nav:not(.show-sidebar) #everything {
        grid-template: 
            "topNav" min-content
            "main" 1fr
        ;
        grid-gap: 0;
    }
    body.show-nav:not(.show-sidebar) #everything > #navMenu {
        display: none;
    }
    body.show-nav:not(.show-sidebar) #everything > #topNav {
        display: flex;
    }

    body.show-nav .navmenu {
        border-width: 0;
    }
}

.question-nav {
	display: none;
}
.question-nav .marks {
    display: inline;
    vertical-align: middle;
    font-weight: bold;
}
.navbar-btn {
    white-space: normal;
}

.question-bottom-nav .navbar-btn {
    margin-left: 1em;
    margin-right: 1em;
}

@media screen {
	body.show-nav .question-nav {
		display: block;
	}
}

@media screen and (max-width: 991px) {
	#everything {
		padding-left: 0;
	}
}

#progressbar {
	position: relative;
}
#progressbar .completed {
	position: absolute;
	height: 100%;
}

#navMenu .logo {
    max-width: 100%;
    padding: var(--spacing) 0 0 var(--spacing);
}

body:not(.show-sidebar) #navMenu #hideNavMenuBtn {
    display: none;
}

.navbar.question-nav .nav {
	float: none;
	text-align: center;
}
.navbar.question-nav .nav > .navbar-text {
	float: none;
}

input.jme {
	font-family: monospace;
}

.jme-preview {
	background-color: var(--faint-background-color);
	padding: 0.2em;
	display: inline-block;
	margin-left: 0.5em;
}

.help-block {
    color: inherit;
    font-style: italic;
}

.help-block.hint, .hint {
    font-style: italic;
    font-size: 0.9em;
    display: inline;
    margin-left: 0.5em;
}

.matrix-wrapper > fieldset {
  display: flex;
  flex-wrap: nowrap;
}

.matrix-input {
	display: inline-block;
	vertical-align: middle;
	max-width: 100%;
	overflow-x: auto;
    overflow-y: hidden;
}
#everything .matrix-input thead th {
    background: none;
    font-weight: normal;
}
.matrix-input table.matrix {
    width: auto;
    display: inline-block;
    margin: 0.5em 0;
}
.matrix-input .matrix td {
	text-align: center;
}

.matrix-input .matrix-wrapper .left-bracket, .matrix-input .matrix-wrapper .matrix, .matrix-input .matrix-wrapper .right-bracket {
	display: inline-block;
}
.matrix-input .left-bracket, .matrix-input .right-bracket {
	border-radius: 50%;
	width: 10px;
}
.matrix-input .left-bracket {
	border-left: 2px solid;
	margin-right: -5px;
    clip-path: inset(0 50% 0 0);
}
.matrix-input .right-bracket {
	border-right: 2px solid;
	margin-left: -5px;
    clip-path: inset(0 0 0 50%);
}

.matrix-input .matrix-size {
    background: #a2d1f0;
    background-color: var(--main-color);
    padding: 0.2em;
    margin-bottom: 0.2em;
    border: 1px solid #999;
    max-width: max-content;
}

#saving {
    width: 100%;
    position: fixed;
    height: 100%;
    text-align: center;
    background: rgba(200,200,200,0.7);
    z-index: 1;
}
#saving .text {
    background: white;
    background: var(--background-color);
    padding: 1em;
    display: inline-block;
    border-radius: 5px;
    margin-top: 1em;
}

.copyright-footer {
    margin: 5em 2em 1em 2em;
    text-align: center;
    font-size: small;
    border-top: 1px solid #ccc;
    padding-top: 1em;
}

.mainDisplay {
	margin: 0 0;
	overflow-x: hidden;
    overflow-y: hidden;
    position: relative;
}

.question, #infoDisplay {
    overflow: visible auto;
    padding-right: 1em;
    padding-bottom: 2em;
    position: relative;
}

.feedback-icon {
	font-size: 1.2em;
	display: inline-block;
	-webkit-text-stroke: 1px #222;
}
.feedback-icon.icon-ok {
	color: lime;
}
.feedback-icon.partial {
	color: lightslategrey;
}
.feedback-icon.icon-remove {
	color: red;
}
.feedback-icon.icon-exclamation-sign {
	color: red;
}
.feedback-icon.none {
	display: none;
}
.student-answer .feedback-icon {
    margin-left: 0.2em;
}
.part.type-matrix .student-answer{
    vertical-align: 1.25em;
}
.student-answer input, .correct-answer input {
    border: 1px solid #ddd;
    border-bottom-color: #34444f;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
}
.student-answer input[disabled], .correct-answer input {
    cursor: not-allowed;
    background-color: #e0e0e0;
    color: black;
}
.student-answer.has-warnings input {
    border-top-style: dashed;
    border-left-style: dashed;
    border-right-style: dashed;
    border-color: hsl(30,20%,50%);
    background: hsl(30,20%,95%);
}
.student-answer fieldset > legend,
.correct-answer fieldset > legend {
    border: none;
    margin: 0;
}

.part:not(.dirty) > .student-answer.answered input {
    border: 1px solid;
    border-color: hsl(204,72%,50%);
    background: hsl(204,72%,95%);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
    color: black;
}

.part > .student-answer .show-cell-answer-state label {
    --feedback-color: transparent;
    border-bottom: 1px solid var(--feedback-color);
}
.part:not(.dirty) > .student-answer.answered .show-cell-answer-state .checked label {
    --feedback-color: hsl(204,72%,50%);
    accent-color: var(--feedback-color);
}
.part:not(.dirty) > .student-answer.answered:not([feedback-state='none']) .show-cell-answer-state .checked.correct label {
    --feedback-color: hsl(120,50%,50%);
}
.part:not(.dirty) > .student-answer.answered:not([feedback-state='none']) .show-cell-answer-state .checked:not(.correct) label {
    --feedback-color: hsl(0,50%,50%);
    border-bottom-style: dashed;
}

.exam-name {
	font-weight: bold;
    max-height: 5em;
    overflow-y: auto;
    padding: 0 0 var(--spacing) var(--spacing)
}

#exam-progress {
    width: 100%;
    margin: 0;
    height: 0.3em;
    display: block;
}

#questionList {
    overflow-y: auto;
    background-color: #85c3eb;
    background: var(--main-darker);
    box-shadow: inset 0px 0.5em 0.5em -0.5em black, inset 0px -1em 1em -1em black;
    padding: var(--spacing) 0;
    flex-grow: 1;
}

#questionList .question-group-header h2 {
    font-size: 1em;
    font-weight: bold;
    margin: 0;
    text-align: center;
    padding: 10px 15px; /* copied from the nav > li > a style in bootstrap */
}

#questionList .introduction > a {
    padding-left: 1.8em;
}

#questionList .questionSelector > a {
    padding: 0.5em 0.3em;
    cursor: pointer;
}
#questionList a {
    text-decoration: none;
}

.questionSelector .info {
    display: flex;
}

.questionSelector .feedback-icon {
	padding: 0;
    flex-basis: 1.25em;
}
.questionSelector .score {
    flex-grow: 1;
    text-align: right;
}
.questionSelector .marks {
}


.questionSelector .dirty-message,
.questionSelector .answered-state
{
    text-align: right;
    font-size: 0.8em;
}
.questionSelector .dirty-message .warning-icon {
	font-size: 18px;
	margin: 0 0 0 0.3em;
}

/* Make the entire menu scroll on short viewports */
@media screen and (max-height: 45em) {
    #navMenu {
        overflow-y: auto;
    }
    #questionList {
        overflow: initial;
    }
    .menuButtons {
        padding-bottom: var(--spacing);
    }
}

#skills-table .active {
    font-weight: bold;
}

#learning-objective-list > li .name {
    flex-grow: 1;
    margin-right: 1em;
}

#learning-objective-list > li {
    display: flex;
    padding: 0.2em 0.5em;
}
#learning-objective-list > li:last-child {
    font-weight: bold;
}

.examScore {
	font-weight: bold;
	font-size: 1.2em;
}
.examScore .text {
	float: left;
}
.examScore .score {
	float: right;
}
.fake-nav-link > a:hover {
	background: inherit !important;
}

#navMenu .stopWatch {
    display: flex;
    grid-gap: 0.5em;
    justify-content: center;
    position: sticky;
    bottom: 0;
    padding: 0.5em;
    background-color: var(--main-color);
    box-shadow: 0px -5px 10px -7px var(--text-color);
}

.menuButtons {
	margin: var(--spacing);
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing);
	justify-content: center;
}

.menuButtons::before, .menuButtons::after {
    display: none;
}

.menuButtons button {
    min-width: 90%;
    margin: 0;
}

.menuButtons .thin-button {
    min-width: 6em;
}

/* Question selection menu */
#question-chooser {
    margin: 1em auto;
    width: 30em;
}
#question-chooser th {
    border-top: 0;
}
#question-chooser .btn {
    white-space: normal;
    text-align: left;
}
#question-chooser .info {
    white-space: nowrap;
}
#question-chooser tr:not(:first-child) th {
    padding-top: 2em;
}
#question-chooser .questionSelector .info {
    display: table-cell;
}

#question-chooser table tr:first-child td {
    border-top: 0;
}

#question-chooser table col.score {
    width: 8em;
}
#question-chooser table col.icon {
    width: 2em;
}
#question-chooser table td {
    background: none;
}
#question-chooser .messages {
    text-align: right;
}

/* front/exit pages */

#performance-summary > div {
    padding: 0;
}
#performance-summary td {
	text-align: right;
}
#performance-summary {
    margin: var(--spacing) 0;
}
#performance-summary h2 {
    margin-top: 0;
}
#question-breakdown td {
	text-align: center;
}
#question-breakdown col.score {
    width: 1em;
}
#frontpage table.summary {
	font-size: 1.3em;
}
#frontpage #begin-exam-student-name {
    min-width: 10em;
}
#startBtn {
	font-size: 1.5em;
}

#frontpage table.summary td {
	padding-left: 1em;
}

#frontpage .password {
    margin: 1em 0;
    display: flex;
    line-height: 2em;
}
#frontpage .password input {
    flex-grow: 1;
    margin: 0 0.5em;
}
#frontpage .password-feedback {
  text-align: center;
  line-height: 1.666em;
}

.input-group-addon.invisible {
    display: none;
}

#infoDisplay .info-buttons {
	margin-top: 1em;
	text-align: center;
    display: grid;
    grid-gap: calc(0.5 * var(--spacing));
    grid-auto-columns: 1fr;
    justify-items: center;
    justify-content: center;
}

#infoDisplay > #menu > .intro {
    margin-bottom: calc(5 * var(--spacing));
}

#end-name {
    margin-bottom: var(--spacing);
}

#finished-text {
    margin-top: var(--spacing);
    font-size: 1.5rem;
    font-weight: bold;
}
/* results page */

#results table tbody th {
	border-bottom: 2px solid #eee;
}

#results table tbody td {
	border-bottom: 2px solid #ddd;
    vertical-align: middle;
}

#question-breakdown .question:hover td {
	background-color: #dcdcdc;
	cursor: pointer;
}

#question-breakdown .question-group-header th {
    text-align: center;
    padding-top: 1em;
}

#question-breakdown .btn.review {
    padding: 0;
}

.diagnostic-feedback {
    margin: var(--spacing) 0;
    padding: calc(0.5 * var(--spacing));
    background-color: var(--main-color);
    border-radius: 3px;
    border: 1px solid var(--main-darker);
}

#diagnostic-breakdown .total td {
    font-weight: bold;
}

#diagnostic-breakdown .score {
  text-align: right;
}

/* question bits */

table {
	width: auto;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 1em;
}

.content-area ul > li, .content-area ol > li {
	margin-bottom: 0.3em;
}

.statement {
	margin: 1em 0;
}
.question.partsmode-explore .statement {
    margin-bottom: 4em;
}

.part {
	margin: .5em 0;
}

.part.gap {
    margin-top: 0;
    margin-bottom: 0;
}

.parts > * > .part.has-name {
	margin-left: 1em;
}
.partheader {
	margin-left: -0.5em;
}
.step .partheader {
    margin-left: 0;
}

.part.type-gapfill > .prompt .part {
	display: inline-block;
    max-width: 100%;
}

.part.type-gapfill > .prompt .part.block {
	display: block;
}

.partheader {
	clear: both;
}

.part .feedback-icon {
    margin-left: 0.5em;
}

.correct-answer {
	vertical-align: bottom;
	margin-left: 1em;
	border: 1px dashed #999;
	padding: 0.4em;
	display: inline-block;
	max-width: 100%;
	overflow-x: auto;
	overflow-y: hidden;
}

.correct-answer .feedback-icon {
	margin-left: 0.2em;
}

.steps {
	padding: 0.5em 0.5em;
}

.steps .prompt {
	display: inline-block;
	width: 100%;
}

.steps {
	margin-bottom: 1em;
	margin-left: 0;
}

.stepsBtn {
	margin-bottom: 1em;
}


.multiplechoice {
    margin-bottom: 0;
    display: inline-flex;
    flex-wrap: wrap;
}
select.multiplechoice {
    display: inline-block;
}

.multiplechoice.columns {
    display: grid;
    grid-gap: 0.2em 1em;
}

.part .multiplechoice.dropdownlist.print-only {
    border: 1px solid var(--text-color);
    padding: 0 0.5em;
    margin: 0.2em;
}
.part .multiplechoice.dropdownlist.print-only .dropdownlist-option {
    font-style: italic;
    display: inline-block;
}
.part .student-answer .multiplechoice.dropdownlist.print-only .dropdownlist-option.checked > span {
    text-decoration: underline;
}

.part .student-answer .multiplechoice.dropdownlist.print-only .dropdownlist-option ~ .dropdownlist-option::before {
    content: '/';
    margin: 0 1em;
}
.part .correct-answer .multiplechoice.dropdownlist.print-only .dropdownlist-option:not(.checked) {
    display: none;
}

.gap .multiplechoice.columns {
    display: inline-grid;
}

.multiplechoice li {
	list-style: none;
	padding-right: 2em;
	line-height: 1.5em;
}
.multiplechoice:not(.columns) li {
    margin-bottom: 1em;
}

.multiplechoice p {
    margin-left: 1em;
}

.multiplechoice p:first-child {
    margin-top: -1.5em;
}

.multiplechoice .choice {
	margin-right: 0.6em;
}

.part.type-m_n_x form, .part.type-1_n_2 form, .part.type-m_n_2 form {
	display: inline-block;
}

.part.type-m_n_x .choices-grid {
	margin-left: 1em;
	width: auto;
}

#everything .part.type-m_n_x .choices-grid thead th {
	background: none;
}

#everything .part.type-m_n_x .choices-grid tbody tr:nth-child(2n+1) th,
#everything .part.type-m_n_x .choices-grid tbody tr:nth-child(2n+1) td {
    background: var(--faint-background-color);
}

#everything .part.type-m_n_x .choices-grid thead th:not(:first-child),
#everything .part.type-m_n_x .choices-grid tbody td:not(:first-child) {
    border-left: thin dashed rgba(var(--opposite-background-color), 0.3);
}

.part.type-m_n_x table.choices-grid td.option {
	text-align: center;
}

.part.type-m_n_x table.choices-grid td.option > label {
    width: 100%;
    height: 100%;
    display: block;
}

.part.type-m_n_x .choices-grid th {
	background: inherit;
	font-weight: normal;
	text-align: center;
}
.part.type-m_n_x .choices-grid .choice {
	text-align: left;
	max-width: 40em;
}

.warning-icon {
	margin: 0 0.2em;
	color: red;
}

.warnings {
    position: absolute;
    z-index: 1;
    width: 20em;
    margin-top: 1em;
    opacity: 0;
	display: inline-block;
    transition: opacity var(--transition-duration);
    border-color: hsl(30, 20%, 50%);
    background-color: hsl(30, 20%, 95%);
    color: #333;
    color: var(--text-color);
}

/* Hack until the matrix entry component consumes the right amount of height. */
.part.type-matrix .warnings {
    margin-top: 2em;
}

.gap .warnings {
    margin-top: -0.5em;
}
.warnings.stick-right {
    right: 0.5em;
}
.warnings.shown {
    opacity: 1;
}
.part .warning {
	margin: 0.1em;
	display: block;
}

.part .submit-and-feedback {
    margin: 1em 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.part .partFeedback {
    margin-top: 1em;
    text-align: right;
}

.part.answered .partFeedback {
    border-top: 2px solid var(--main-color);
    padding: 0.5em 0 0 2em;
}

.part .feedbackMessages {
    margin-top: 1em;
	clear: both;
	overflow-y: auto;
	background: none;
	border-color: #a2d1f0;
    border-color: var(--main-color);
}
.part .feedbackMessages > ol {
	list-style-type: none;
    margin: 0;
}

.part.dirty > .submit-and-feedback > .feedbackMessages .out-of-date-message {
    font-size: 0.9em;
    font-style: italic;
}
.part.dirty > .submit-and-feedback > .feedbackMessages .feedbackMessage,
.part.dirty .student-answer .feedback-icon {
    opacity: 0.3;
}

.part .feedbackMessage ~ .feedbackMessage {
    margin-top: 0.5em;
}

.part .feedbackMessage {
    display: grid;
    grid-template-columns: minmax(2em,90vw) auto;
    justify-items: end;
}

.part .feedbackMessage .message {
    overflow-x: auto;
    max-width: 100%;
    max-height: 80vh;
}
.part .feedbackMessage .message {
    overflow: initial;
}

.part .feedbackMessage .feedback-icon {
    width: 1em;
}

.part .submitPart:not(:disabled) {
    border-color: #a2d1f0;
    border-color: var(--main-color);
}

.part.step .submitPart:not(:disabled) {
    background-color: #fff;
}

.feedbackToggle {
	width: 9em;
}

.part .marks {
    text-align: right;
}
.part .marks .score {
	font-weight: bold;
}

.next-parts {
    text-align: left;
    margin-top: calc(2.5 * var(--spacing));
    margin-bottom: calc(2.5 * var(--spacing));
}
.next-parts > .what-next, .dead-end {
    font-weight: bold;
}
.next-parts > ul {
    list-style: none;
    padding-left: 0;
}
.next-parts > ul > .next-part ~ .next-part {
    margin-top: 1em;
}

.next-part-option.made {
    font-style: italic;
    border-color: #333;
}

.parts-tree {
    font-size: 0.8em;
    overflow-x: auto;
    padding: calc(0.5 * var(--spacing));
    display: flex;
    min-height: 0;
    margin: 0.5em 0;
    align-items: baseline;
}
.parts-tree > h3 {
    font-size: inherit;
    margin: 0;
}
.parts-tree > .part-progress {
    margin-right: 0.5em;
}
.parts-tree .part {
    display: flex;
    margin: 0;
}
.parts-tree ul {
    list-style: '→';
    padding-left: 1.2em;
    margin: 0;
}
.parts-tree a {
    flex-shrink: 0;
    color: #333;
    color: var(--text-color);
    padding: 0.5em;
    display: inline-block;
}
.parts-tree .part .part a {
    margin-left: 0.2em;
}
.parts-tree .current {
    font-weight: bold;
    font-style: italic;
}
.parts-tree .name {
    cursor: pointer;
}

.question-nav .explore-breakdown {
    margin: calc(0.5 * var(--spacing));
}

.question-nav .explore-breakdown th, .question-nav .explore-breakdown td {
    background: none;
    line-height: 1.5em;
}

.question-nav .explore-breakdown .total:not(:first-child) th, .question-nav .explore-breakdown .total:not(:first-child) td {
    border-top: 2px solid white;
}
.question-nav .explore-breakdown .name {
    text-align: left;
}


.question > * > header > .question-header {
    margin: var(--spacing) 0 calc(2 * var(--spacing)) 0;
}
.question td, .adviceDisplay td {
	text-align: right;
}

.question td, .question th, .adviceDisplay td, .adviceDisplay th {
	padding: 4px 10px 4px 5px;
}

input[type=text], input[type=number] {
	width: 60px;
	text-align: center;
}

#style-modal .form-control {
    width: 100%;
}

#style-modal #text-size-preview {
    font-size: calc(var(--staged-text-size)*18px);
}
#style-modal .help-block {
    color: var(--text-color);
}

#style-modal {
  --background-color: white;
  --text-size: 1;
  font-size: calc(var(--text-size)*18px);
  color: var(--text-color);
  --text-color: black;
}
#style-modal .ok.btn.btn-primary {
  background: #a2d1f0;
}

#next-actions-modal .feedback {
  margin-bottom: 1em;
}

#next-actions-modal .actions > li ~ li {
  margin-top: 1em;
}

@media not all and (prefers-reduced-motion: reduce) {
    @keyframes lightbox-fade-in {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
}

#lightbox {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: hsla(0,0%,50%,95%);
    z-index: 10000;
    padding: 1em;
}
#lightbox:not(.shown) {
    display: none;
    opacity: 0;
}
#lightbox.shown {
    animation: lightbox-fade-in 0.5s;
    display: grid;
    justify-items: center;
    align-items: center;
}
#lightbox img {
    background: var(--background-color);
    width: auto !important;
    height: auto !important;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0em 0em 0.2em 0.2em hsla(0,0%,0%,30%);
    cursor: pointer;
}


.lightbox-image-wrapper {
    display: inline-block;
    position: relative;
}
.lightbox-image-wrapper:not(:hover, :focus, :focus-within) button {
    opacity: 0;
}
.lightbox-image-wrapper:focus-within {
    outline: thin solid var(--faint-background-color);
}
.lightbox-image-wrapper > button {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
}
.lightbox-image-wrapper > button:is(:hover, :focus) {
    filter: brightness(130%);
}
.lightbox-image-wrapper > button:active {
    filter: brightness(80%);
}

.monospace {
	font-family: monospace;
	font-size: 130%;
	background: #f5f5f5;
	padding: 0em 0.2em;
}

.sr-only#skip-link:focus {
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.5em;
  background: var(--main-color);
  z-index: 2000;
  color: black;
  clip: initial;
}

@media print {
    body.no-printing #questionContainer {
        display: none;
    }
    
    .screen-only {
        display: none !important;
    }

    body.show-nav #everything {
        grid-template: "main";
    }

    body.no-printing-questions #questionContainer {
        display: none;
    }

    .no-printing-advice .adviceContainer {
        display: none;
    }

    #standalone-warning {
        display: none;
    }
    .question .parts {
        margin-left: 1.2em;
    }
    .answered-state {
        display: none;
    }
    .parts-tree {
        display: none;
    }

	.question {
		overflow-y: hidden;	/* Fixes the fact that Chrome draws a scrollbar in questions, for some reason */
	}

	.penaltyMessage {
		display: none;
	}

    #finished-text {
        display: none;
    }

	table {
		page-break-inside: avoid;
	}

	#questionContainer {
		float: none !important;
	}

    .part .submit-and-feedback {
        float: none;
    }

    .part .feedbackMessages {
        text-align: left;
        width: 100%;
    }

	input[type="text"], input[type="number"] {
		border: none;
		border-bottom: 2px solid;
	}
	button, .btn {
		display: none !important;
	}
}

/* Try to allow scrolling for statement or prompt elements that are too wide */
@media screen {
    .print-only {
        display: none;
    }

	.content-area > span > p, .content-area > span > div, .content-area > span > table {
		overflow-x: auto;
		overflow-y: hidden;
	}
}

/*!
 *  Font Awesome 3.0.2
 *  the iconic font designed for use with Twitter Bootstrap
 *  -------------------------------------------------------
 *  The full suite of pictographic icons, examples, and documentation
 *  can be found at: http://fortawesome.github.com/Font-Awesome/
 *
 *  License
 *  -------------------------------------------------------
 *  - The Font Awesome font is licensed under the SIL Open Font License - http://scripts.sil.org/OFL
 *  - Font Awesome CSS, LESS, and SASS files are licensed under the MIT License -
 *    http://opensource.org/licenses/mit-license.html
 *  - The Font Awesome pictograms are licensed under the CC BY 3.0 License - http://creativecommons.org/licenses/by/3.0/
 *  - Attribution is no longer required in Font Awesome 3.0, but much appreciated:
 *    "Font Awesome by Dave Gandy - http://fortawesome.github.com/Font-Awesome"

 *  Contact
 *  -------------------------------------------------------
 *  Email: dave@davegandy.com
 *  Twitter: http://twitter.com/fortaweso_me
 *  Work: Lead Product Designer @ http://kyruus.com
 */

@font-face{
  font-family:'FontAwesome';
  src:url('resources/iconfont/fontawesome.eot?v=3.0.1');
  src:url('resources/iconfont/fontawesome.eot?#iefix&v=3.0.1') format('embedded-opentype'),
  url('resources/iconfont/fontawesome.woff?v=3.0.1') format('woff'),
  url('resources/iconfont/fontawesome.ttf?v=3.0.1') format('truetype');
  font-weight:normal;
  font-style:normal }

[class^="icon-"],[class*=" icon-"]{font-family:FontAwesome;font-weight:normal;font-style:normal;text-decoration:inherit;-webkit-font-smoothing:antialiased;display:inline;width:auto;height:auto;line-height:normal;vertical-align:baseline;background-image:none;background-position:0 0;background-repeat:repeat;margin-top:0}.icon-white,.nav-pills>.active>a>[class^="icon-"],.nav-pills>.active>a>[class*=" icon-"],.nav-list>.active>a>[class^="icon-"],.nav-list>.active>a>[class*=" icon-"],.navbar-inverse .nav>.active>a>[class^="icon-"],.navbar-inverse .nav>.active>a>[class*=" icon-"],.dropdown-menu>li>a:hover>[class^="icon-"],.dropdown-menu>li>a:hover>[class*=" icon-"],.dropdown-menu>.active>a>[class^="icon-"],.dropdown-menu>.active>a>[class*=" icon-"],.dropdown-submenu:hover>a>[class^="icon-"],.dropdown-submenu:hover>a>[class*=" icon-"]{background-image:none}[class^="icon-"]:before,[class*=" icon-"]:before{text-decoration:inherit;display:inline-block;speak:none}a [class^="icon-"],a [class*=" 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