reduce rounded corners of Share and Versions dropdown

core/css/share.css

@@ -2,10 +2,10 @@
  This file is licensed under the Affero General Public License version 3 or later.
  See the COPYING-README file. */
 
- #dropdown {
+#dropdown {
  	background:#eee;
- 	border-bottom-left-radius:1em;
- 	border-bottom-right-radius:1em;
+	border-bottom-left-radius: 5px;
+	border-bottom-right-radius: 5px;
  	box-shadow:0 1px 1px #777;
  	display:block;
  	margin-right:7em;