Fix alignment of down arrow in build page "Scroll down" button

app/assets/stylesheets/pages/projects.scss

@@ -236,14 +236,14 @@
   .fa-fw {
     margin-right: 8px;
   }
-}
-.fa-bell {
-  margin-right: 6px;
-}
-.fa-angle-down {
-  margin-left: 6px;
+  .fa-bell {
+    margin-right: 6px;
+  }
+  .fa-angle-down {
+    margin-left: 6px;
+  }
 }
 .project-home-panel .project-home-dropdown {