Amélioration mise en page pour la dimension du iframe

app/Resources/translations/navigationui.fr.yml

   add_element_box:
     close:              Fermer l'ajout d'élément
     title:              Ajouter un partage
+    title_external:     Ajouter un partage sur Muzi.ch
   check_url:            Ajouter
   
 group:

src/Muzich/CoreBundle/Resources/public/css/main.css

 {
   min-height: available;
   position: static;
-  width: 600px;
+  width: 560px;
 }
 
 .iframe #content
   margin-left: auto;
   margin-right: auto;
   width: 100%;
+  padding-bottom: 0px;
 }
 
-.iframe #main
+.iframe #main.content
 {
   float: none;
   width: 100%;
+  margin-right: 0px;
+}
+
+.iframe #mainbox.nicebox
+{
+  border: none;
+  box-shadow: none;
+  padding: 25px;
 }
 
 .iframe input#element_add_name, .iframe div#tags_prompt_add input.tag_prompt
 {
-  width: 440px;
+  width: 400px;
+}
+
+.iframe div#add_url_title, div.element_title 
+{
+  width: 75%;
+}
+
+.iframe div#form_add_second_part input[type="submit"]
+{
+  margin-right: 20px;
+}
+
+.iframe #tags_prompt_add
+{
+  width: 100%;
 }
 
 /*

src/Muzich/CoreBundle/Resources/views/Element/share_from.html.twig

 {% block main_content %}
 
   {% include 'MuzichCoreBundle:Component:element_add_box.html.twig' with {
-    'box_title'     : 'home.add_element_box.title'|trans({}, 'navigationui'),
+    'box_title'     : 'home.add_element_box.title_external'|trans({}, 'navigationui'),
     'add_form_name' : 'add',
   } %}