body { font-family: Arial; margin:0; background:#0f172a; color:white; }
header { padding:15px; background:#020617; display:flex; justify-content:space-between; }
a { color:#38bdf8; text-decoration:none; }

.login-body { display:flex; height:100vh; justify-content:center; align-items:center; }
.login-box {
  background:#020617; padding:30px; border-radius:10px; width:300px;
}
.login-box input, .login-box button {
  width:100%; margin:10px 0; padding:10px;
}
.cards { display:flex; gap:20px; padding:20px; }
.card {
  background:#020617; padding:20px; border-radius:10px; width:200px;
}