*{
    margin:0;
    padding: 0;
    box-sizing: border-box;
}
#canvas1
{
    background: black;
    position: absolute;
    left: 50%;
    top: 50%;
    transform:translate(-50%,-50%);
}
#controls
{
    position:absolute;
    padding: 10px;
    border:  2px solid white;
    left: 20px;
    top: 20px;
    width: 250px;
    background: rgba(255,255,255,0.15);
}
button
{
    padding:  10px, 40px;
    width: 225px;
    font-size: 20px;

}
label,input
{
    color:  white;
    font-size: 20px;
}