#sidepanel {
    color: #888;
    font-size: 13px;
    position: fixed;
    top: 0;
    right: -280px;
    bottom: 0;
    width: 280px;
    z-index: 3000;
    background-color: #363839;
    overflow-y: scroll;
    display: none;
    -webkit-transition: right .4s ease;
    -o-transition: right .4s ease;
    transition: right .4s ease;
}