.header-anchor{visibility:hidden;text-decoration:none;margin-left:.4em;font-size:.85em;opacity:.6}h1:hover .header-anchor,h2:hover .header-anchor,h3:hover .header-anchor,h4:hover .header-anchor,h5:hover .header-anchor,h6:hover .header-anchor{visibility:visible}.header-anchor:hover{opacity:1}