yadm/_includes/head/custom.html

<!-- start custom head snippets -->

<!-- insert favicons. use http://realfavicongenerator.net/ -->

<!-- support for buttons.github.io -->
<script async defer src="https://buttons.github.io/buttons.js"></script>

<style type="text/css">
  /* override mmistakes image highlighting */
  .archive__item:hover .archive__item-teaser {
    box-shadow: none;
  }
</style>

<!-- end custom head snippets -->