diff --git a/cps/static/css/style.css b/cps/static/css/style.css
index bf2257e6..6e6b0eae 100644
--- a/cps/static/css/style.css
+++ b/cps/static/css/style.css
@@ -429,7 +429,7 @@ div.log {
 }
 
 #detailcover { cursor:zoom-in; }
-#detailcover:-webkit-full-screen { cursor:zoom-out; }
-#detailcover:-moz-full-screen { cursor:zoom-out; }
-#detailcover:-ms-fullscreen { cursor:zoom-out; }
-#detailcover:fullscreen { cursor:zoom-out; }
+#detailcover:-webkit-full-screen { cursor:zoom-out; border: 0; }
+#detailcover:-moz-full-screen { cursor:zoom-out; border: 0; }
+#detailcover:-ms-fullscreen { cursor:zoom-out; border: 0; }
+#detailcover:fullscreen { cursor:zoom-out; border: 0; }