add space below extraforms

src/views/Feature/FeatureEdit.vue

@@ -280,6 +280,7 @@
       <div
         v-for="(field, index) in orderedCustomFields"
         :key="field.field_type + index"
+        class="extraform"
       >
         <FeatureExtraForm
           :id="field.label"
@@ -1054,4 +1055,7 @@ export default {
 .leaflet-bottom {
   z-index: 800;
 }
+.extraform {
+  margin-bottom: 1em;
+}
 </style>