Fix mobile top padding

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

assets/css/image/site.css

@@ -13,6 +13,12 @@
   padding-top: 0;
 }
 
+@media (max-width: 767px) {
+  .gh-main {
+    padding-top: 0;
+  }
+}
+
 .gh-feed {
   width: 100%;
 }

post.hbs

@@ -18,10 +18,10 @@
             <span class="gh-article-meta">
                 {{#if primary_tag}}
                 <a class="gh-article-tag" href="{{primary_tag.url}}">{{primary_tag.name}}</a>
-                —
+                ·
                 {{/if}}
                 <span>{{reading_time}}</span>
-                —
+                ·
                 <time datetime="{{date format="YYYY-MM-DD"}}">{{date}}</time>
             </span>