Update app.py

app.py

@@ -5,6 +5,15 @@ import sys
 import os
 sys.path.append(os.path.dirname(os.path.abspath(__file__)))
 
+
+css = """
+.video-container {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+"""
+
 def process_video(video):
     cap = cv2.VideoCapture(video)
     fourcc = cv2.VideoWriter_fourcc(*'mp4v')
@@ -24,7 +33,7 @@ def process_video(video):
 title = "Welcome to DDM DeepSort"
 description = "Upload a video to process it using DDM and DeepSORT."
 
-with gr.Blocks() as demo:
+with gr.Blocks(css=css) as demo:
 
     gr.Interface(
         fn=app_main,
@@ -50,7 +59,7 @@ with gr.Blocks() as demo:
 
     with gr.Row():
         with gr.Column():
-            gr.HTML("<div style='display: flex; justify-content: center;'>")
+            gr.HTML("<div class="video-container">")
             gr.Video(value="DDMDeepsort1.mp4", label="Demo Video", width=720, height=435)
             gr.HTML("</div>")