diff --git a/panopoly-images.css b/panopoly-images.css
index 239f0b7..c5a2556 100644
--- a/panopoly-images.css
+++ b/panopoly-images.css
@@ -95,6 +95,9 @@ img.panopoly-image-square {
 .media-thumbnail {
   width: 80px;
   height: 80px;
+  max-width: 100%;
+  width: 100%;
+  float: none;
 }
 .media-thumbnail img.panopoly-image-thumbnail{
   margin-left: auto;