body{margin:0;padding:0;background-color:#000;background-image:radial-gradient(white,rgba(255,255,255,.2) 1px,transparent 1px),radial-gradient(white,rgba(255,255,255,.15) 1px,transparent 2px),radial-gradient(white,rgba(255,255,255,.1) 2px,transparent 2px);background-size:150px 150px,250px 250px,350px 350px;background-position:0 0,40px 60px,130px 270px;color:#fff;font-family:Space Mono,monospace;overflow-x:hidden;animation:starDrift 100s linear infinite}*{box-sizing:border-box}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(#fff,rgba(255,255,255,.4) 1px,transparent 2px);background-size:200px 200px;background-position:75px 75px;pointer-events:none;z-index:-1;animation:twinkle 3s ease-in-out infinite alternate}@keyframes starDrift{0%{background-position:0 0,40px 60px,130px 270px}to{background-position:-300px -300px,-210px -190px,-220px -80px}}@keyframes twinkle{0%{opacity:.1}to{opacity:.9}}