body{
    overflow:hidden;
    cursor:none !important;
}
#legend{
    position:fixed;
    bottom:0;
    left:0;
    background:#000;
    color:#fff;
    width:100%;
    opacity:0;
    padding:10px 0;
    overflow:hidden;
    font-size:12px;
    font-family:Helvetica, Arial, sans;
    text-align:center;
    transition: all 0.3s;
}
#legend:hover{
    height:auto;
    opacity:0.8;
    transition: all 0.3s;
}
#legend div{
    padding:10px 0;
    display:inline-block;
    margin:0 10px;
}
#legend div span{
    display:inline-block;
    padding:3px;
    background:#fff;
    border-radius:2px;
    color:#333;
    min-width:24px;
    text-align:center;
    text-transform:uppercase;
    cursor:pointer;
    transition: all 0.2s;
    border:1px solid #fff;
}
#legend div span.on{
    transition: all 0.2s;
    color:#ccc;
    background:#000;
}

#legend,
#legend div,
#legend div span{
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}