div#RightPanel {
    position: fixed;
    top: 0;
    right: -30%;
    bottom: 0;
    padding: 25px;
    overflow: auto;
    width: 30%;
    background: white;
    max-width: 400px;
    z-index: 10;
    box-shadow: 0px 0px 17px -12px #646669;
    transition: all .3s ease-in-out;
    box-sizing: border-box;
}

div#RightPanel.show {
    right: 0px;
    pointer-events: all;
}

div#RightPanel .closePanelBtn {
    font-size: 35px;
    line-height: 20px;
    cursor: pointer;
    opacity: .5;
    transition: all .3s;
}

div#RightPanel .navigation h3 {
    margin: 0px;
}

div#RightPanel .closePanelBtn:hover {
    opacity: 1;
}

div#RightPanel.doubleWidth {
    width: 60%;
    max-width: 800px;
}