diff --git a/src/documents/software/midi23d.en.md b/src/documents/software/midi23d.en.md
index 1ddca06..035f810 100644
--- a/src/documents/software/midi23d.en.md
+++ b/src/documents/software/midi23d.en.md
@@ -51,5 +51,5 @@ Enjoy
 ## Videos
 
 <div style="margin: auto; text-align: center;">
-<iframe width="560" height="315" src="https://www.youtube.com/embed/4rcnu8j1Xqk" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+<iframe width="560" height="315" src="https://www.youtube.com/embed/4rcnu8j1Xqk" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen style="max-width: 100%;"></iframe>
 </div>
\ No newline at end of file