.headerlink { --permalink-size: 20px; /* for font-relative sizes, 0.6em is a good choice */ --permalink-spacing: 4px; width: calc(var(--permalink-size) + var(--permalink-spacing)); height: var(--permalink-size); vertical-align: middle; background-color: var(--md-default-fg-color--lighter); background-size: var(--permalink-size); mask-size: var(--permalink-size); -webkit-mask-size: var(--permalink-size); mask-repeat: no-repeat; -webkit-mask-repeat: no-repeat; visibility: visible; mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg>'); -webkit-mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg>'); } [id]:target .headerlink { background-color: var(--md-typeset-a-color); } .headerlink:hover { background-color: var(--md-accent-fg-color) !important; } @media screen and (min-width: 76.25em) { h1, h2, h3, h4, h5, h6 { display: flex; align-items: center; flex-direction: row; } .headerlink { order: -1; margin-left: calc(var(--permalink-size) * -1 - var(--permalink-spacing)) !important; } }