diff --git a/boards/static/css/md/base_page.css b/boards/static/css/md/base_page.css
--- a/boards/static/css/md/base_page.css
+++ b/boards/static/css/md/base_page.css
@@ -385,3 +385,8 @@ code {
 pre {
     overflow: auto;
 }
+
+.img-full {
+    background: #222;
+    border: solid 1px white;
+}