template/theme.css

#styleguide {
    float: left;
    width: 80%;
}

#styleguide .section {
    display: none;
    margin-bottom: 2em;
    -webkit-box-shadow: 2px 2px 5px 0px rgba(50, 50, 50, 0.43);
    -moz-box-shadow:    2px 2px 5px 0px rgba(50, 50, 50, 0.43);
    box-shadow:         2px 2px 5px 0px rgba(50, 50, 50, 0.43);
}

#styleguide .result, 
#styleguide .comment {
    padding: 1em;
    border: 1px solid #ddd;
}

#styleguide .result {
    border-top: none;
}

#styleguide .comment {
    background-color: rgb(245, 245, 245);
}

#styleguide .section .comment code {
    color: #3fbead;
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 13px;
}

#styleguide .markup {
    border: 1px solid #ddd;
    border-top: none;    
}

#styleguide code,
#styleguide pre {
    border: none;
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 13px;
    line-height: 20px;
    direction: ltr;
    text-align: left;
    white-space: pre-wrap;
    word-spacing: normal;
    margin: 0;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}


/* menu */
#styleguide-menu {
    width: calc(20% - 1em - 2px);
    float: left;
    margin-right: 1em;
    padding: 1em 0;

    border: 1px solid #ddd;
    -webkit-box-shadow: 2px 2px 5px 0px rgba(50, 50, 50, 0.43);
    -moz-box-shadow:    2px 2px 5px 0px rgba(50, 50, 50, 0.43);
    box-shadow:         2px 2px 5px 0px rgba(50, 50, 50, 0.43);
}

#styleguide-menu .submenu {
    display: none;
    background: rgba(0, 0, 0, 0.05);
}

#styleguide-menu .submenu.on{
    display: block;
}

#styleguide-menu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#styleguide-menu li {
    padding: 0;
    margin: 0;
}


#styleguide-menu a {
    display: block;
    width: calc(100% - 2em + 2px);
    padding: 0.3em 1em;
    text-decoration: none;
    color: rgba(0, 0, 0, 0.87);

}

#styleguide-menu ul ul a {
    padding: 0.3em 1em 0.3em 2em;
    width: calc(100% - 3em + 2px);
}

#styleguide-menu a:visited,
#styleguide-menu a:hover,
#styleguide-menu a:active {
    display: block;
    color: rgba(0, 0, 0, 0.87);
}

#styleguide-menu a:hover {
    background-color: rgba(250, 255, 70, 0.3);
}

#styleguide-menu a.on {
    background-color: rgba(0, 0, 0, 0.1);
}