body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: #400;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.floating-404 {
    position: absolute;
    font-size: 2rem;
    font-weight: bold;
    user-select: none;
    pointer-events: none;
    white-space: nowrap;
    animation: float 15s linear infinite;
    opacity: 0.8;
    will-change: transform;
}

@keyframes float {
    100% {
        transform: translate(var(--tx), var(--ty)) rotate(var(--r));
    }
}

h1 {
    position: fixed;
    top: calc(50% - 40px);
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 5rem;
    margin: 0;
    z-index: 100;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}

h2 {
    position: fixed;
    top: calc(50% + 40px);
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 3rem;
    margin: 0;
    z-index: 100;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}