add a quick css hack to make choose file... clickable labels look like buttons

css/default.css

@@ -1793,6 +1793,17 @@ body#sharepopup input {
   overflow: hidden;
   text-overflow: ellipsis;
 }
+.flat label.dijitButton {
+  border: 1px solid #ccc;
+  padding: 6px;
+  border-radius: 4px;
+  cursor: pointer;
+  position: relative;
+  top: 1px;
+}
+.flat label.dijitButton:hover {
+  background-color: #f5f5f5;
+}
 @font-face {
   font-family: 'Material Icons';
   font-style: normal;