diff --git a/webinterface.py b/webinterface.py
index fa4cccfed..68dcfb551 100644
--- a/webinterface.py
+++ b/webinterface.py
@@ -1016,14 +1016,14 @@ def addEmbeddedVideo(content: str) -> str:
         url=content.split('>vimeo.com/')[1]
         if '<' in url:
             url=url.split('<')[0]
-            content=content+"<iframe src=\"https://player.vimeo.com/video/"+url+"\" width=\"100%\" height=\"100%\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe>"
+            content=content+"<center><iframe src=\"https://player.vimeo.com/video/"+url+"\" width=\"100%\" height=\"100%\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe></center>"
             return content
 
     if '"https://www.youtube.com' in content:
         url=content.split('"https://www.youtube.com')[1]
         if '"' in url:
             url=url.split('"')[0].replace('/watch?v=','/embed/')            
-            content=content+"<center><iframe src=\"https://www.youtube.com"+url+"\" width=\"30%\" height=\"100%\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe></center>"
+            content=content+"<center><iframe src=\"https://www.youtube.com"+url+"\" width=\"300\" height=\"150\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe></center>"
             return content
         
     return content