Darken Read buttons

site/themes/ots/static/css/w3.css

@@ -271,6 +271,7 @@ input[type=checkbox].w3-check:disabled+.w3-validate,input[type=radio].w3-radio:d
 .w3-blue-grey,.w3-hover-blue-grey:hover,.w3-blue-gray,.w3-hover-blue-gray:hover{color:#fff!important;background-color:#607d8b!important}
 .w3-green,.w3-hover-green:hover{color:#fff!important;background-color:#4CAF50!important}
 .w3-light-green,.w3-hover-light-green:hover{color:#000!important;background-color:#8bc34a!important}
+.w3-dark-green,.w3-hover-dark-green:hover{color:#000!important;background-color:#35966c !important}
 .w3-indigo,.w3-hover-indigo:hover{color:#fff!important;background-color:#3f51b5!important}
 .w3-khaki,.w3-hover-khaki:hover{color:#000!important;background-color:#f0e68c!important}
 .w3-lime,.w3-hover-lime:hover{color:#000!important;background-color:#cddc39!important}

site/themes/ots/templates/index.html

@@ -41,7 +41,7 @@
         </div>
 
         <footer>
-          <a class="w3-btn w3-green w3-right" href="{{ SITEURL }}/{{ article.url }}">Read &#10093;</a>
+          <a class="w3-btn w3-dark-green w3-right" href="{{ SITEURL }}/{{ article.url }}">Read &#10093;</a>
         </footer>
       </article>