Update hovers page

Author: mrmrs

docs/themes/hovers/index.html

@@ -115,7 +115,7 @@ <h1 class="f4 ttu tracked fw6">Next</h1>
             <a href="/docs/themes/background-size/" class="link fw6 blue dim">Background Size</a>
           </div>
         </div>
-        <div class="mt5">
+        <div class="mt5 lh-copy">
           <h1 class="f4 ttu tracked fw6">Reference</h1>
           <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/%3Ahover" class="link db fw6 blue dim">MDN - Hover</a>
           <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/%3Afocus" class="link db fw6 blue dim">MDN - Focus</a>