Add cover page styles to cover definition

layouts/shortcodes/blocks/cover.html

@@ -21,6 +21,10 @@
         background-image: url({{ $promo_image_big.RelPermalink }}); 
     }
 }
+.hero-logo {
+    margin-bottom: -2rem;
+    width: 60%
+}
 </style>
 {{ end }}
 <section id="{{ $blockID }}" class="row td-cover-block td-cover-block--height-{{ $height }} js-td-cover td-overlay td-overlay--dark -bg-{{ $col_id }}">