Update "Explore Campaigns" to mirror Forge 6.7.

Since this page is a Drupal view, it uses silly custom markup, which
we’ll update to reflect gallery changes made in Forge 6.7.

Author: DFurnes

lib/themes/dosomething/paraneue_dosomething/scss/content/_explore-campaigns.scss

@@ -25,7 +25,7 @@
     }
 
     .views-field-label {
-      margin-top: $base-spacing;
+      margin-top: gutter() / 2;
     }
   }
 }