diff --git a/docs/mss_theme/css/mss.css b/docs/mss_theme/css/mss.css
index de441f52a..58fa4d1b7 100644
--- a/docs/mss_theme/css/mss.css
+++ b/docs/mss_theme/css/mss.css
@@ -14,3 +14,7 @@
   margin-bottom: auto;
   margin-left: auto;
 }
+
+video {
+  max-width: 100%;
+}