/* Matrix Rain - Full screen overlay with rainbow colors */
#Matrix {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
    filter: blur(0.5px) hue-rotate(45deg);
    display: block;
}