diff --git a/theming/message-viewer.css b/theming/message-viewer.css
index 8a6749f1..60156c75 100644
--- a/theming/message-viewer.css
+++ b/theming/message-viewer.css
@@ -179,12 +179,6 @@ hr {
     float: right;
     margin-top: -0.67em;
     margin-right: -0.67em;
-    border: 1px solid #ffc;
-    border-radius: 4px;
-    padding: 2px;
-}
-.email .remote_images .close_show_images:hover {
-    border: 1px solid #a8a887;
 }
 
 @media screen {
diff --git a/theming/message-viewer.html b/theming/message-viewer.html
index 3ffc48ed..5ff3d163 100644
--- a/theming/message-viewer.html
+++ b/theming/message-viewer.html
@@ -18,7 +18,7 @@
             <div class="header"></div>
             <div class="preview"></div>
         </div>
-        <div class="remote_images"><img class="close_show_images" /></div>
+        <div class="remote_images"><img class="close_show_images button" /></div>
         <div class="body"></div>
     </div>
 </div>