styles.css

body {
    margin: 0;
    padding: 0;
    background-color: black;
    width: 100vw;
    height: 100dvh;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.header {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    z-index: 10;
    font-family: Arial, sans-serif;
    max-width: 90%;
    text-align: center;
}

.header h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.header h2 {
    font-size: clamp(1rem, 3vw, 1.5rem);
    margin-bottom: 0.5rem;
    font-weight: bold;
    opacity: 0.9;
}

.header p {
    font-size: clamp(0.8rem, 2vw, 1rem);
    font-weight: bold;
    opacity: 0.8;
    margin-top: 0.5rem;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    background-color: black;
    height: 100dvh;
    -webkit-touch-callout: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
}