body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
}
canvas {
    display: block;
}
#intro {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    letter-spacing: 2px;
    z-index: 10; 
    cursor: pointer;
    pointer-events: none;
}