Simpler layout for the highlight header

partials/components/header-content.hbs

@@ -16,7 +16,12 @@
         {{!-- Highlight layout --}}
         {{#match headerStyle "Highlight"}}
             <div class="gh-header-left">
-                {{#foreach posts limit="4"}}
+                {{#foreach posts limit="1"}}
+                    {{> "post-card"}}
+                {{/foreach}}
+            </div>
+            <div class="gh-header-middle">
+                {{#foreach posts from="2" limit="3"}}
                     {{> "post-card"}}
                 {{/foreach}}
             </div>