index.css

body{
    padding: 0;
    margin: 0;
    background: whitesmoke;
}

#pointsCanvas{
    z-index: 1;
    position: absolute;
    top:0;
    left:0;
}

#controls{
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    width: 250px;
}

#controls div{
    margin-top: 10px;
    width:100%;
}

#controls div input[type="range"]{
    width: calc(100% - 70px);
}

#controls div span{
    width: 50px;
    top: -7px;
    position: relative;
}

.progressInfo{
    position: absolute;
    bottom: 10px;
    background-color:rgba(0, 0, 0, 0.5);
    z-index: 3;
    width:100%;
    height: 40px;
    padding:10px;
    display: none;
}

.progressInfo .title{
    width:100%;
    text-align: center;
    color: white;
    font-size: 16px;
}

.progressInfo .meter{
    height: 2px;
    background-color: white;
    width: 50%;
    margin-top:10px;
}

#curvesProgress{
    left: 10px;
}