body { font-family: sans-serif; line-height: 1.8; } h2, h3 { color: #0000cc; } h4 { color: #ff0000; } u { text-decoration: none; background: linear-gradient(transparent 50%, springgreen 50%) !important; } .ad-box { border: 1px solid #ccc; padding: 10px; margin: 20px 0; text-align: center; background…