Merge branch '87-responsive-design-for-votes' into 'master'

UI : reponsive design for votes

Closes #87

See merge request !89

web/components/vote/votes.js

@@ -56,7 +56,7 @@ class Vote {
       <nav class="level">
         <div class="level-left" id="votes-stats" style="margin: auto;
         width: 100%;"></div>
-        <div class="level-right">
+        <div id="votes-buttons" class="level-right">
           <button id="votes-return" class="button level-item">
             Retour
           </button>

web/style.css

@@ -232,3 +232,10 @@ select {
   text-align: justify;
   padding: 2em;
 }
+
+@media only screen and (max-device-width: 480px) {
+  #votes-buttons {
+    justify-content: center;
+    display: grid;
+  }
+}