h2 .header-link,h3 .header-link,h4 .header-link,h5 .header-link,h6 .header-link{opacity:0;font-size:0.8em}h2:hover .header-link,h3:hover .header-link,h4:hover .header-link,h5:hover .header-link,h6:hover .header-link{opacity:1}