diff --git a/src/style/article/github-markdown-light.css b/src/style/article/github-markdown-light.css
index 0fa96ef9..b04d15ba 100644
--- a/src/style/article/github-markdown-light.css
+++ b/src/style/article/github-markdown-light.css
@@ -1004,4 +1004,8 @@
   
   #markdown-body ::-webkit-calendar-picker-indicator {
     filter: invert(50%);
+  }
+
+  #markdown-body video {
+    max-width: 100%;
   }
\ No newline at end of file