#top-menu .fa-whatsapp{font-size:18px;margin-right:6px}.sidebar-toc{background:#f8f9fa;padding:20px;border-left:3px solid #007acc;margin-bottom:30px}.sidebar-toc h3{margin-top:0;font-size:16px;font-weight:700;text-transform:uppercase;color:#333}.sidebar-toc{position:sticky;top:100px;z-index:10}@media (max-width:980px){.sidebar-toc{position:relative;top:0}}