Aligns create merge request button vertically

app/assets/stylesheets/pages/events.scss

@@ -136,9 +136,10 @@
 .event-last-push {
   overflow: auto;
   width: 100%;
+  
   .event-last-push-text {
     @include str-truncated(100%);
-    padding: 5px 0;
+    padding: 4px 0;
     font-size: 13px;
     float: left;
     margin-right: -150px;