: Cold marble, brushed steel, or velvet fabric backgrounds.
/* A little extra glow for immersive feeling */ .wallpaper::after content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 70% 20%, rgba(90, 140, 60, 0.12), transparent 70%); pointer-events: none; z-index: 0;