add styles

Author: Awakich

projects/social_platform/src/app/office/projects/edit/edit.component.scss

@@ -128,7 +128,7 @@
       margin-bottom: 10px;
     }
 
-    :last-child & :not(i, span)  {
+    :last-child & :not(i, span) {
       margin-top: 10px;
     }
   }