Ajout d'une classe a la thumbnail pour dimensions

src/Muzich/CoreBundle/Resources/views/SearchElement/element.html.twig

       {% if element.embed %}
         <a href="#" class="element_open element_embed_open_link">
           <img 
+            class="element_thumbnail"
             {% if element.thumbnailUrl %}
               src="{{ element.thumbnailUrl }}" 
             {% else %}
       {% else %}
         <a href="{{ element.url }}" class="element_open" target="_blank">
           <img 
+            class="element_thumbnail"
             {% if element.thumbnailUrl %}
               src="{{ element.thumbnailUrl }}" 
             {% else %}

web/bundles/muzichcore/css/main.css

   margin-left: -20px;
 }
 
+li.element img.element_thumbnail
+{
+  width: 120px;
+  height: 90px;
+}
+
 #container li.element span.element_name a
 {
   color: black;