body { font-family: Arial, sans-serif; margin: 20px; }
h1 { font-size: 28px; text-align: center; }
.step-box { border:1px solid #ccc; padding:15px; margin:15px 0; border-radius:8px; }
ul { list-style: none; padding:0; }
ul li { padding:5px 0; }
footer { margin-top:40px; }