Bugfix.

_includes/footer.html

@@ -21,7 +21,7 @@
             <li><a href="https://jekyllrb.com/"><img src="{{ site.baseurl }}/assets/badge-powered_by_jekyll.svg" alt="powered by Jekyll"></a></li>
             <li><a href="https://www.gnu.org/philosophy/javascript-trap.en.html"><img src="{{ site.baseurl }}/assets/badge-no_javascript.svg" alt="no JavaScript"></a></li>
             <li><a href="https://html.spec.whatwg.org/"><img src="{{ site.baseurl }}/assets/badge-uses_html5.svg" alt="uses HTML5"></a></li>
-            <li><a href="https://webdesign.tutsplus.com/articles/undress-to-impress-check-your-websites-without-css--cms-22489" alt="uses minimal CSS"><img src="{{ site.baseurl }}/assets/badge-uses_minimal_css.svg"></a></li>
+            <li><a href="https://webdesign.tutsplus.com/articles/undress-to-impress-check-your-websites-without-css--cms-22489"><img src="{{ site.baseurl }}/assets/badge-uses_minimal_css.svg" alt="uses minimal CSS"></a></li>
         </ul>
     </div>
 </div>