Change footer logo width to 100%

Author: gfenoy

themes/zoo-project/layouts/partials/footer_std.html

@@ -79,7 +79,7 @@ <h2 class="sub">Next event</h2>
           <div class="col-lg-12 col-sm-12 col-xs-6">
             <center>
               <a href="https://2026.foss4g.org/" class="unca" target="_blank">
-                   <img src="https://2026.foss4g.org/images/logo-03.svg" width="140"  style="background: #fff;opacity: 75%;"/>
+                   <img src="https://2026.foss4g.org/images/logo-03.svg" width="100%"  style="background: #fff;opacity: 75%;"/>
                   </a>
             </center>
           </div>