diff --git a/flatdoc/theme-dark/style.css b/flatdoc/theme-dark/style.css
index 899e9ac..4bb390b 100644
--- a/flatdoc/theme-dark/style.css
+++ b/flatdoc/theme-dark/style.css
@@ -292,6 +292,7 @@ a:hover {
   zoom: 1;
   max-width: 100%;
   background: #fff;
+  overflow: hidden;
 }
 .content:before,
 .content:after {
@@ -935,3 +936,7 @@ code .comment {
   position: relative;
   z-index: 1;
 }
+
+img {
+  max-width: 100%;
+}
\ No newline at end of file