diff --git a/ui/public/readable.css b/ui/public/readable.css
index 9fb5d6178..ec52f2c57 100644
--- a/ui/public/readable.css
+++ b/ui/public/readable.css
@@ -7,7 +7,9 @@ body {
   background: #fafafa;
 }
 img {
+  display: block;
   max-width: 100%;
+  height: auto;
 }
 pre, code {
   overflow: auto;