body{background:#0f172a;color:#e5e7eb;font-family:Arial}
.navbar{background:#020617}
.card{background:#ffffff;border:none;transition:.3s}
.card:hover{transform:scale(1.03)}
.btn-primary{background:#13b31b;border:none}
.footer{background:#020617;padding:20px;text-align:center}