*{
    padding:0;
    margin: 0;
    box-sizing: border-box;
}    

canvas {
    background-image: radial-gradient(circle, #1F2833 0%, #0B0C10 100%);
    position: absolute;
    top: 0;
    left: 0;
}

/*input {
    position: absolute;
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px;
    z-index: 100;
}*/