fix buttons classes

src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/AddPersons.vue

@@ -77,9 +77,9 @@
          </template>
 
          <template v-slot:footer>
-            <button class="btn bg-green" 
+            <button class="btn btn-create" 
                @click.prevent="$emit('addNewPersons', { selected, modal })">
-               <i class="fa fa-plus fa-fw"></i>{{ $t('action.add')}}
+               {{ $t('action.add')}}
             </button>
          </template>