Update app.py

app.py

@@ -16,9 +16,9 @@ custom_css = """
     color: white;
 }
 .senden {
-    width: 200px; 
+    width: 300px; 
     float: right;
-    background:orange;
+    background:purple;
 }
 .clear-button {
     float: right;