body { font-family: Arial, sans-serif; padding: 20px; max-width: 700px; margin: auto; }
h1, h2 { color: #2c3e50; }
form input { margin: 5px 0; padding: 5px; width: 100%; }
iframe { margin-top: 10px; border-radius: 8px; }
ul { list-style: none; padding-left: 0; }
li { margin-bottom: 20px; border-bottom: 1px solid #ccc; padding-bottom: 10px; }