MAGETWO-45058: [IE9] impossible to create attribute in configurable product

Author: Oleksandr Dubovyk

app/design/adminhtml/Magento/backend/web/css/source/components/_popups.less

@@ -436,11 +436,12 @@
                 display: none;
             }
 
-            .page-actions{
-                button{
+            .page-actions {
+                button {
                     float: none;
                 }
-                .primary{
+
+                .primary {
                     float: right;
                 }
             }