Update app.py

app.py

@@ -75,8 +75,8 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
     # Create the keyboard buttons
     buttonList = []
     h, w = img.shape[:2]
-    key_width = int(0.07 * w)
-    key_height = int(0.09 * h)
+    key_width = int(0.04 * w)
+    key_height = int(0.05 * h)
     font_scale = 0.0045 * w
     font_thickness = int(0.009 * h)