*, body, html {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    line-height: 1.4;
}

h1, h2, h3 {
    font-family: 'Merriweather', serif;
    font-weight: 400;
}

h1 {
    font-size: 2.3em;
}

h3 {
    font-size: 1.15em;
}

a {
    color: #A50000;
}

a:visited {
    color: #8D8181;
}

figure img {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

/* lab signup */
table a.link:visited {
    color: #A50000;
}

table {
    border-collapse: collapse;
    border-top: 1px solid #bbb;
    border-bottom: 1px solid #bbb;
}

th {
    border-bottom: 1px solid #bbb;
    padding-top: 6px;
    padding-bottom: 6px;
}

td {
    padding-top: 4px;
    padding-bottom: 4px;
}

th:first-of-type, td:first-of-type {
    padding-left: 4px;
}

th:last-of-type, td:last-of-type {
    padding-right: 4px;
}

.table_row.even {
    background: #EDEDED;
}

.current_lab { font-weight: bold; }

pre {
    border-radius: 4px;
    border: 1px solid #BCBEC0;
    background: #F1F3F5;
    font-family: 'Anonymous Pro', monospace;
    padding: 5px;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: auto;
}

code {
    font-family: 'Anonymous Pro', monospace;
    background-color: #F1F3F5;
    border-radius: 4px;
    padding: 2px 0;
    border: 1px solid #BCBEC0;
    font-size: 0.95em;
}

pre code {
    border-radius: 0px;
    background: none;
    border: none;
}

.page-header-container {
    background: #900;
    color: #FFF;
    text-align: center;
    box-shadow: inset 0px -7px 8px -5px rgba(50, 50, 50, 0.6);
}

.page-header-container.collapsed {
    box-shadow: none;
}

.navbar {
    background: rgba(0, 0, 0, 0.1);
    width: 100%;
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: right;
}

.navbar-contents, .page-header, .content {
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}

.navbar ul {
    display: inline-block;
    margin: 0;
    list-style-type: none;
}

.navbar li {
    display: inline-block;
    margin-left: 12px;
    margin-right: 12px;
}

.navbar li:last-of-type {
    margin-right: 0;
}

.navbar .nav-home {
    display: inline-block;
    text-align: left;
    float: left;
    font-size: 1.1em;
}

.nav-home h3 {
    margin: 0;
}

.navbar a {
    text-decoration: none;
    color: #FFF;
    position: relative;
}

.navbar a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    right: 50%;
    border-bottom: 1px solid #FFF;
    opacity: 0;
    transition: color 0.2s ease, left 0.2s ease, right 0.2s ease,
                opacity 0.2s ease;
}

.navbar a:hover::after {
    opacity: 1;
    left: 0;
    right: 0;
}

.page-header {
    padding-top: 60px;
    padding-bottom: 60px;
}

.sep {
    margin-left: 4px;
    margin-right: 4px;
}

.content {
    padding-top: 20px;
    padding-bottom: 20px;
}

.content.columns {
    display: flex;
}

.column {
    display: inline-block;
}

.column.lectures-container {
    width: 50%;
    padding-right: 20px;
}

.column.lectures-container {
    position: relative;
    max-height: 1100px;
    overflow-y: hidden;
    transition: max-height 0.5s ease-in-out;
}

.lectures-container {
    max-height: 300px;
}
.lectures-container.expanded {
    max-height: 3000px;
}

.column-expand-btn {
    display: block;
    text-align: center;
    padding-top: 20px;
    cursor: pointer;
    position: absolute;
    top: calc( 100% - 50px );
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, #FFF0 0%, #FFFC 30%, #F9F9F9);
    font-size: 15pt;
    color: #666;
    border-bottom: 1px solid #aaa;
}

.column.expanded .column-expand-btn,
        .lectures-container.expanded .column-expand-btn {
    display: none;
}

.column.course-material {
    width: 50%;
    padding-left: 20px;
}

.column.calendar {
    width: 70%;
    padding-right: 15px;
}

.column.notable-dates {
    width: 30%;
    padding-left: 15px;
}

.announcement {
    border-bottom: 1px solid #aaa;
}

.announcement .title-line, .lecture .title-line {
    line-height: 1.4em;
    margin-top: 18px;
}
.announcement .title-line {
    margin-bottom: 16px;
}
/* Clearfix: */
.announcement .title-line::after, .lecture .title-line::after {
    content: "";
    display: table;
    clear: both;
}

.announcement h3, .lecture h3 {
    margin: 0;
    float: left;
    max-width: calc( 100% - 100px );
}

.announcement .date, .lecture .date {
    margin: 0;
    color: #555;
    font-size: 0.8em;
    float: right;
}

.announcement .body, ul.extra-links {
    padding-top: 10px;
    clear: both;
    font-size: 0.95em;
}

.lecture {
    margin-bottom: 18px;
}

.lecture .title-line:first-of-type {
    margin-top: 0;
}

.lecture p:not(.date), .lecture .extra-links {
    margin: 0;
    padding-left: 45px;
    padding-top: 3px;
}
ul.extra-links {
    margin: 0;
    padding-left: 0px;
    padding-top: 0px;
}

ul.extra-links {
    list-style-type: none;
}

.extra-links li {
    display: inline;
}

.handouts-heading {
    margin-bottom: 10px;
}

.handouts-list {
    margin-top: 0;
    padding-bottom: 18px;
}

.CodeMirror {
    height: auto;
}

.table_detail pre {
    max-width: 900px;
}