diff --git a/website/web/static/generic.css b/website/web/static/generic.css
index f228bd92..69b9a5b2 100644
--- a/website/web/static/generic.css
+++ b/website/web/static/generic.css
@@ -26,3 +26,22 @@
   color: #fff;
   transform: translateY(-7px);
 }
+
+/* CSS collapse thing */
+[data-toggle="collapse"].collapsed .if-not-collapsed {
+  display: none;
+}
+
+[data-toggle="collapse"]:not(.collapsed) .if-collapsed {
+  display: none;
+}
+
+/* Ressource preview */
+img.ressource_preview{
+  width:100%;
+  height:100%;
+  max-width:150px;
+  max-height:150px;
+  min-width:10px;
+  min-height:10px;
+}
diff --git a/website/web/static/tree.css b/website/web/static/tree.css
index 8b9fee68..d9751f1d 100644
--- a/website/web/static/tree.css
+++ b/website/web/static/tree.css
@@ -217,13 +217,6 @@ table td p {
   margin: 0;
 }
 
-[data-toggle="collapse"].collapsed .if-not-collapsed {
-  display: none;
-  }
-[data-toggle="collapse"]:not(.collapsed) .if-collapsed {
-  display: none;
-}
-
 #screenshot_thumbnail {
   scroll-margin: 50px;
 }
diff --git a/website/web/templates/macros.html b/website/web/templates/macros.html
index 192ab2c1..7b890110 100644
--- a/website/web/templates/macros.html
+++ b/website/web/templates/macros.html
@@ -124,7 +124,7 @@
   <button class="btn btn-info" name="ressource_hash" value="{{ hash }}"
     {% if can_preview %}
     data-toggle="tooltip" data-placement="bottom" data-html="true"
-    title='<img src="{{ url_for('get_ressource_preview', tree_uuid=capture_uuid, node_uuid=urlnode_uuid, h_ressource=hash) }}"/>'
+    title='<img class="ressource_preview" src="{{ url_for('get_ressource_preview', tree_uuid=capture_uuid, node_uuid=urlnode_uuid, h_ressource=hash) }}"/>'
     {% endif %}
   >{{ text }}</button>
 </form>
@@ -164,6 +164,7 @@
 {% if total_captures > 0  %}
 <p>
   The same file was seen in <b>{{ total_captures }}</b> other captures.
+  </br>
   <button class="btn btn-info collapsed" type="button" data-toggle="collapse" data-target="#captureslist_{{ identifier_for_toggle }}" aria-expanded="false" aria-controls="collapseExample">
     <span class="if-collapsed">Show other captures</span>
     <span class="if-not-collapsed">Hide other captures</span>
@@ -270,9 +271,9 @@
         <img src="{{ url_for('static', filename=icon_info['icon']) }}" alt="{{ icon_info['tooltip'] }}"
              width="21" height="21"
         {% if key == "image" %}
-             data-toggle="tooltip" data-placement="bottom" data-html="true" title='<img src="{{ url_for('get_ressource_preview', tree_uuid=tree_uuid, node_uuid=urlnode.uuid) }}"/> </br>Click to download the content of the response in a zip file'
+             data-toggle="tooltip" data-placement="bottom" data-html="true" title='<img class="ressource_preview" src="{{ url_for('get_ressource_preview', tree_uuid=tree_uuid, node_uuid=urlnode.uuid) }}"/> </br>Click to download.'
         {% else %}
-                                                                                        data-toggle="tooltip" data-placement="bottom" data-html="true" title="{{icon_info['tooltip']}} <br/>Click to download."
+             data-toggle="tooltip" data-placement="bottom" data-html="true" title="{{icon_info['tooltip']}} <br/>Click to download."
         {% endif %}
         />
       </a>