responcive: flag collection in content left

web/themes/custom/materiotheme/assets/styles/main.scss

@@ -573,7 +573,14 @@ aside.messages{
       }
     }
     >ul{
+			@include col-mediaquery-max(2){
+				display:flex;
+				flex-direction: row;
+				flex-wrap: wrap;
+				justify-content: space-between;
+			}
       >li{
+
         margin:0 0 $column_goutiere 0;
         padding:0;
         article.card.minicard{
@@ -601,6 +608,7 @@ aside.messages{
             }
           }
         }
+
       }
     }
   }