Update app.py

app.py

@@ -33,17 +33,29 @@ def calculate_weight(earth_weight, planet):
 def main():
     with gr.Blocks(css="""
         .gradio-container {
-            background: url('https://path-to-your-image.jpg') no-repeat center center fixed;
+            background: url('https://papers.co/wallpaper/papers.co-vx41-digital-wallpaper-grunge-pattern-background-29-wallpaper.jpg') no-repeat center center fixed;
             background-size: cover;
             min-height: 100vh;
         }
         .gradio-container .output-box {
-            animation: fadein 2s ease-in-out;
+            animation: fadein 2s ease-in-out, scaleup 1s ease-out, textcolor 3s ease-in-out;
         }
+
         @keyframes fadein {
             from { opacity: 0; }
             to { opacity: 1; }
         }
+
+        @keyframes scaleup {
+            from { transform: scale(0.8); }
+            to { transform: scale(1); }
+        }
+
+        @keyframes textcolor {
+            0% { color: #ff7e5f; }
+            50% { color: #feb47b; }
+            100% { color: #00b4d8; }
+        }
     """) as demo:
         gr.Markdown("# Weight Calculator on Different Planets")
         gr.Markdown("Enter your weight on Earth and choose a planet to find your weight on it.")