Correction de l'affichage du textarea.

src/main/webapp/app/front/components/openquestion/openquestion.vue

 <template>
-  <div class="openquestion">
+  <div>
     <fieldset class="form__fieldset">
       <legend class="form__legend">{{ item.question }}<span v-if="item.required"> (*)</span></legend>
-      <textarea @change="updateAnswer" :value="item.answer" rows="4" cols="50"></textarea>
+      <textarea @change="updateAnswer" :value="item.answer" rows="4" cols="50" class="form__control"></textarea>
     </fieldset>
   </div>
 </template>