#menu
{
    top: 0;
    bottom: 0;
    z-index: 2;
    width: 400px;
    right: -400px;
    position: absolute;
    background-color: #333;
    transition: right .3s ease;
    border-left: 5px solid #03a9f4;
}

#menu.collapsed
{
    right: 0;
}

#menu button
{
    top: 10px;
    color: gray;
    right: 10px;
    font-size: 36px;
    position: absolute;
}

#menu .menu-body
{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    height: 200px;
    position: absolute;
}

#menu .menu-body a
{
    color: #fff;
    padding: 20px;
    display: block;
    transition: all .3s ease;
    text-transform: uppercase;
}

#menu .menu-body a i
{
    font-size: 16px;
    margin-right: 4px;
}

#menu .menu-body a:hover
{
    color: #ffc107;
    text-decoration: none;
    background-color: gray;
}

@media (max-width: 767px)
{
    button#button-menu
    {
        display: none;
    }
}