fix

app.py

@@ -247,11 +247,11 @@ with gr.Blocks() as demo:
         with gr.Column(scale=1):
 
             html_text = f"""
-            <div id="container">
-                <canvas id="before" width="{width}" height="{height}"></canvas><img id="canvas-before" style="display:none;"/>
+            <div id="container" style="width: 100%; height: 100vh;">
+                <canvas id="before"></canvas><img id="canvas-before" style="display:none;"/>
                 <br>
                 <br>
-                <canvas id="after" width="{width}" height="{height}"></canvas><img id="canvas-after" style="display:none;"/>
+                <canvas id="after"></canvas><img id="canvas-after" style="display:none;"/>
             </div>
             """