Update app.py

app.py

@@ -115,8 +115,7 @@ if __name__ == "__main__":
     speaker = list(speaker_ids.keys())[0]
 
     css='''
-        #main {background-color: #ffffff;opacity: 0.8;background-image:  repeating-linear-gradient(45deg, #edffe1 25%, transparent 25%, transparent 75%, #edffe1 75%, #edffe1), repeating-linear-gradient(45deg, #edffe1 25%, #ffffff 25%, #ffffff 75%, #edffe1 75%, #edffe1);
-        background-position: 0 0, 40px 40px;background-size: 80px 80px;}
+        #main {background-color: background-image: linear-gradient(to top, #050e15, #13182a, #2f1a37, #501737, #6b1627);
         #mainContainer {max-width: 700px; margin-left: auto; margin-right: auto;background-color:transparent;}
         #btn {border: 2px solid #3ed6e500; margin-left: auto; margin-right: auto;background-color:#3ed6e500;border-radius: 5px;
            :hover{color: #92ccd8; } }