diff --git a/static/css/github-style.css b/static/css/github-style.css
index 16f3fa6..f9f77de 100644
--- a/static/css/github-style.css
+++ b/static/css/github-style.css
@@ -133,4 +133,8 @@ body {
   .Header-search {
     max-width: 100%;
   }
+}
+
+.pinned-item-desc img {
+  max-width: 100%;
 }
\ No newline at end of file