html {
    margin: 0;
    padding: 0;
}

body {
    font-family: "garamond";
    margin: 0;
    padding: 0;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

div.main {
    transition: all 0.5s;
    color: #333;
}

div.sidebar {
    transition: all 0.5s;
    position: fixed;
    height: 100%;
    width: 300px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    float: left;
    margin-left: -300px;
    background-color: #1f4770;
    font-size: 20px;
    overflow: auto;
    color: white;
}

div.sidebar h2 {
    padding-left: 20px; 
    margin: 0.5em 0;
}

body.sidebar-active div.main {
    margin-left: 300px;
}

body.sidebar-active div.sidebar {
    margin-left: 0px;
}

body.sidebar-active div.contents-wrapper,
body.sidebar-active div.settings {
    transition: opacity 0.5s, visibility 0s;
}

div.settings {
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
}

div.settings .button-group {
    margin-bottom: 0.7em;
}

div.settings h2 {
    padding-left: 0;
}

div.settings h3 {
    border-bottom: 1px solid white;
}

body.settings div.settings,
body.toc div.contents-wrapper {
    opacity: 1;
    visibility: visible;
}

div.menu {
    position: fixed;
    padding: 1em;
}

div.contents-wrapper {
    width: 100%;
}

ul.contents {
    list-style-type: none;
    padding: 0;
    margin: 0;
    width: 100%;
    font-size: 95%;
}

div.settings {
    position: absolute;
    transition: visibility 0s, opacity 0.5s;
    opacity: 0;
    visibility: hidden;
}

div.contents-wrapper {
    transition: visibility 0s, opacity 0.5s;
    position: absolute;
    opacity: 0;
    visibility: hidden;
}

ul.contents li {
    padding: 0.1em 20px;
    margin: 0;
}

ul.contents li a {
    width: 100%;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    color: white;
}

ul.contents li:hover,
ul.contents li.active {
    background-color: white;
}

ul.contents li.active a,
ul.contents li:hover a {
    color: #1f4770;
}


ul.contents {
    counter-reset: contents;
}

ul.contents a:before {
    counter-increment: contents;
    content: "Chapter " counter(contents) ": ";
}

ul.contents a[data-special]:before {
    content: attr(data-special) ": ";
}