Update app.py

app.py

@@ -50,12 +50,12 @@ def process_image(image):
 
 css = """
   #output {
-    height: 500px; 
+    height: 250px; 
     overflow: auto; 
     border: 1px solid #ccc; 
     padding: 10px;
-    background-color: #ffffff; 
-    color: #000000; 
+    background-color: rgb(31 41 55);
+    color: #fff; 
   }
 """