.content-section{margin-bottom:3rem}.content-section h2{color:#1a1a1a;margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid #f0f0f0}.content-section ul{line-height:1.8}.content-section ul li{margin-bottom:.5rem}.alert-info{background-color:#e7f3ff;border-color:#b3d9ff;color:#004085}.alert-light{background-color:#f8f9fa;border:1px solid #dee2e6}.alert-light a{color:#667eea;text-decoration:none}.alert-light a:hover{text-decoration:underline}.btn-primary{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;transition:all .3s ease}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.4)}@media (max-width:768px){.content-section h2{font-size:1.5rem}.display-4{font-size:2rem}}