html,body{
    margin: 0;
    padding: 0;
    font-family: "Ubuntu";
    font-size: 15px;
    line-height: 1.5;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#top{
    background-color: #2c2c2c;
    color: white;
    font-weight: bold;
    display: block;
    text-align: center;
    height: 30px;
}

#bottom{
    position: fixed;
    bottom: 0;
    height: 20px;
    text-align: center;
    color:#878887;
    background-color: white;
    font-size: 12px;
    width: 100%;
    padding:5px;
    border-top: 1px solid #878887;
}

#cover{
    height: calc(100% - 80px);
    overflow-y: auto;
}
#navbar{
    margin:0 auto;
    max-width: 85%;
    display: flex;
    justify-content:flex-end;
    flex-direction: row;
}
#book{
    margin:0 auto;
    max-width: 85%;
    max-height: 100%;
    display: block;
    justify-content:flex-end;
    flex-direction: row;
    text-align: justify;
    height: 100%;
}
div.doc-name {
    width: 300px;
    text-align: left;
    padding-top:3px;
}
div.doc-name a {
    text-decoration: none;
    color: #c9c9c9;
}

div.doc-name a:before{
    /* padding-top:13px; */
    content: "\f015";
    color:#c9c9c9;
    width:20px;
    height: 25px;
    font-family: "FontAwesome";
    font-size: 18px;
}
input.search-box{
    outline: none;
    border: 0;
    flex:1;
    padding:0;
    margin:0;
    /* padding-top:13px; */
    height: 25px;
    background-color: transparent;
    border-bottom: 1px solid #878887;
    font-size: 15px;
    font-family: "Ubuntu";
    line-height: 0.5;
    color: #878887;
}
div.search-icon:before{
    /* padding-top:13px; */
    content: "\f002";
    color:#878887;
    display: block;
    width:20px;
    height: 25px;
    font-family: "FontAwesome";
    font-size: 18px;
    border-bottom: 1px solid #878887;
}
div.search-icon {
    width: 35px;
}
div.doc-toc {
    width: 300px;
    /* font-size: 11px; */
    background-color: #e3e3e3;
    color: #2c2c2c;
    overflow: auto;
    position: fixed;
    top: 30px;
    bottom: 30px;
    border-right: 1px solid #c9c9c9;
    padding-top: 10px;
}
div.doc-toc a {
    text-decoration: none;
    color: #2c2c2c;
}
#toc {
    margin: 0;
    list-style-type: none;
    padding: 0;
    padding-left: 10px;
}
div.doc-toc ul.nested {
    list-style-type: none;
}

div.doc-toc .caret {
    cursor: pointer;
    user-select: none; /* Prevent text selection */
}
div.doc-toc .caret::before {
    content: "\f147";
    color: #2c2c2c;
    display: inline-block;
    font-family: "FontAwesome";
    margin-right: 5px;
}
div.doc-toc .nested {
    display: none;
}
div.doc-toc .caret-down::before {
    content: "\f196";
    color: #2c2c2c;
    display: inline-block;
    font-family: "FontAwesome";
    margin-right: 5px;
}
div.doc-toc  .active {
    display: block;
    padding-left: 20px;
}

div.doc-content {
    display: block;
    width: calc(100% - 320px);
    float: right;
}

/* for block of code */
/* #container .blogentry .hljs-ln td.hljs-ln-code {
	padding-left: 10px;
} */
img {max-width:100%}