body{background:radial-gradient(circle,#020617,#000);font-family:monospace;display:flex;justify-content:center;margin-top:40px}.game{text-align:center;color:#2f8}h1{text-shadow:0 0 12px #22ff88}.score{color:#38bdf8}.board{width:400px;height:400px;border:2px solid #22ff88;box-shadow:0 0 25px #2f8;position:relative;margin:auto}.snake{width:18px;height:18px;border-radius:50%;position:absolute}.snake-head{width:20px;height:20px;font-size:18px;position:absolute;display:flex;align-items:center;justify-content:center}.food{width:18px;height:18px;border-radius:50%;position:absolute}.over{color:red;text-shadow:0 0 10px red}button{background:#000;border:1px solid #22ff88;color:#2f8;padding:10px 20px;cursor:pointer;margin-top:10px}