Fix: Correction responsive du footer en mode smartphone

inclure/footer.html

@@ -11,7 +11,7 @@
 							</div>
 							<div id="contact">
 							<div class="row gtr-200">
-								<div class="col-3 col-6-medium col-3-small">
+								<div class="col-3 col-6-medium col-12-small">
 									[<div id="newsletter">
 										<section>
 										<h3><span><:html5up_txt:newsletter:></span></h3>
@@ -19,7 +19,7 @@
 										</section>
 									</div>]
 								</div>
-								<div class="col-3 col-6-medium col-3-small">
+								<div class="col-3 col-6-medium col-12-small">
 								<!-- Mots-clés -->
 									<B_groupes_mots>
 									<div id="mots-cles">
@@ -50,7 +50,7 @@
 									</B_secteurs>
 									<//B_groupes_mots>
 										</div>
-								<div class="col-3 col-6-medium col-3-small">
+								<div class="col-3 col-6-medium col-12-small">
 									<div id="recherche">
 										<section>
 										<h3><span><:info_rechercher:></span></h3>
@@ -58,7 +58,7 @@
 										</section>
 									</div>
 								</div>								
-								<div class="col-3 col-6-medium col-3-small">
+								<div class="col-3 col-6-medium col-12-small">
 									[<div id="sociaux">
 										<section>
 										<h3><span><:html5up_txt:reseaux_sociaux:></span></h3>