Added basic styling for solr driven thumbnails.

css/islandora.base.css

@@ -5,8 +5,7 @@
         Purpose of the stylesheet follows.
 */
 
-.islandora img,
-.islandora-object-thumb img {
+.islandora img {
   max-width: 100%;
   *width: 100%;
 }

css/islandora.objects.css

@@ -10,6 +10,10 @@ div.islandora-objects > div {
   display: inline-block;
 }
 
+.islandora-object img {
+  max-width: 100%;
+}
+
 .islandora-objects-list-item {
   clear: both;
   width: 100%;