Alone-S ハブ

/* source: http://ah-sandbox.wikidot.com/component:collapsible-sidebar-x1 */
 
#top-bar .open-menu a {
        position: fixed;
        bottom: 0.5em;
        left: 0.5em;
        z-index: 15;
        font-family: san-serif;
        font-size: 30px;
        font-weight: 700;
        width: 30px;
        height: 30px;
        line-height: 0.9em;
        text-align: center;
        border: 0.2em solid #888 !important;
        background-color: #fff !important;
        border-radius: 3em;
        color: #888 !important;
        text-decoration: none!important;
}
 
@media (min-width: 768px) {
 
    .mobile-top-bar {
        display: block;
    }
 
    .mobile-top-bar li {
        display: none;
    }
 
    #main-content {
        max-width: 708px;
        margin: 0 auto;
        padding: 0;
        transition: max-width 0.2s ease-in-out;
    }
 
    #side-bar {
        display: block;
        position: fixed;
        top: 0;
        left: -25em;
        width: 17em;
        height: 100%;
        background-color: rgb(184, 134, 134);
        overflow-y: auto;
        z-index: 10;
        padding: 1em 1em 0 1em;
        -webkit-transition: left 0.5s ease-in-out 0.1s;
        -moz-transition: left 0.5s ease-in-out 0.1s;
        -ms-transition: left 0.5s ease-in-out 0.1s;
        -o-transition: left 0.5s ease-in-out 0.1s;
        transition: left 0.5s ease-in-out 0.1s;
    }
 
    #side-bar:after {
        content: "";
        position: absolute;
        top: 0;
        width: 0;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.2);
 
    }
 
    #side-bar:target {
        display: block;
        left: 0;
        width: 17em;
        margin: 0;
        border: 1px solid #dedede;
        z-index: 10;
    }
 
    #side-bar:target + #main-content {
        left: 0;
    }
 
    #side-bar:target .close-menu {
        display: block;
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(0,0,0,0.3) 1px 1px repeat;
        z-index: -1;
    }
}