#top,
#bottom{
    position: fixed;
    width: 30px;
    height: 25px;
    background-color: #47a3da;
    z-index: 1000;
}
#top::after,
#bottom::after{
    content: " ";
    width: 1px;
    height: 45px;
    position: absolute;
    left: 14px;
    background-color: #47a3da;
    z-index: 1000;
}
#top::after{
    top: 0;
}
#bottom::after{
   bottom: 0;
}
#top{
    top: 0;
    left: 50%;
    margin-left: -10px;
}
#bottom{
    bottom: 0;
    left: 50%;
    margin-left: -10px;
    border: none;
    transition: background-color 300ms ease-out;
}
.touchdevice #bottom{
    margin-left:0;
}
.dragged #bottom{
    cursor: pointer;
    z-index: 1000;
    background-color: #cb4e4e;
}
.dragged #bottom::after{
    background-color: #cb4e4e;
}
.bravo #bottom,
.bravo #bottom::after{
    background-color: #24a777;
}
.wrong #bottom,
.wrong #bottom::after{
    background-color: #ab3c3c;
}
.bravo #bottom::after,
.wrong #bottom::after{
    height: 20000px;
}