.answer.selected{background:linear-gradient(135deg,#667eea,#764ba2);color:white;transform:translateY(-3px);box-shadow:0 10px 25px rgba(102,126,234,.3)}.highlight{background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:20px;border-radius:15px;border-left:4px solid #667eea}.highlight h4{color:#333;margin-bottom:10px}