css changes on news list page.

src/app/editorialisation/components/cms-posts-list/cms-posts-list.component.scss

@@ -9,7 +9,6 @@
 .page-header-container {
   background-color: white;
   padding: 0 1.25rem 0 1.25rem;
-  margin-bottom: 1rem;
 
   p {
     padding-bottom:2em;
@@ -18,6 +17,7 @@
 
 .posts {
   flex-grow: 1;
+  padding-top:1rem;
   background: linear-gradient(to bottom, $grey-background-color, #dedede);
   display: flex;
 
@@ -108,6 +108,10 @@
       &:hover {
         text-decoration: none;
       }
+
+      @media screen and (max-width: $tablet) {
+        margin:0.5rem;
+      }
     }
 
     .post-image {