*{box-sizing:border-box;margin:0;padding:0}:root{--color-neon-green:#0f0;--color-neon-cyan:#0ff;--color-neon-magenta:#f0f;--color-neon-red:red;--color-bg-dark:#0a0a0a}body{background:var(--color-bg-dark);color:var(--color-neon-green);touch-action:manipulation;-moz-text-size-adjust:100%;text-size-adjust:100%;min-height:100vh;font-family:Courier New,monospace;overflow:auto}body:before{content:"";z-index:-1;background:radial-gradient(circle at 20%,#00ffff1a 0%,#0000 50%),radial-gradient(circle at 80%,#ff00ff1a 0%,#0000 50%),radial-gradient(circle at 50% 100%,#00ff001a 0%,#0000 50%);width:100%;height:100%;animation:8s ease-in-out infinite backgroundPulse;position:fixed;top:0;left:0}@keyframes backgroundPulse{0%,to{opacity:.5}50%{opacity:1}}