body{background-color:#000;display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;color:#0f0;overflow:hidden}.container{text-align:center}#date,#time{font-size:4em;font-weight:700;letter-spacing:5px;margin:10px 0;text-shadow:0 0 5px #0f0,0 0 10px #0f0,0 0 20px #0f0;animation:4s infinite alternate glow}#time{font-size:6em}@keyframes glow{from{text-shadow:0 0 5px #0f0,0 0 10px #0f0,0 0 20px #0f0}to{text-shadow:0 0 10px #0f0,0 0 15px #0f0,0 0 40px #0f0,0 0 30px #0f0}}