make lighter

app.py

@@ -232,8 +232,7 @@ if isinstance(file_url, str):
         <div style="display: flex; justify-content: center;">
             <a href="https://sustainabilitylabiitgn-ndvi-perg.hf.space?file_url={file_url}" target="_blank">
                 <button style="
-                    background-color: #006400; /* Green background */
-                    color: white; /* White text */
+                    background-color: #00EE00; /* Green background */
                     padding: 10px 20px;
                     font-size: 16px;
                     border: none;