body {
    background: black;
}
#container {
    position: absolute;
    font-size: 25px;
    width: 90vw;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
}
#canvas1 {
    position: relative;
   
}

#slider {
    width: 100%;
}

p {
    color: white;
}