body{background:#0b0f1a;color:#fff;font-family:tahoma;text-align:center}
.container{width:340px;margin:100px auto;padding:30px;background:#111;border-radius:10px;box-shadow:0 0 20px #00f}
input{width:90%;padding:10px;margin:8px}
button{padding:10px 20px;background:#0066ff;border:0;color:#fff;border-radius:6px;cursor:pointer}
.tabs button{margin:5px}