update button

app.py

@@ -81,12 +81,8 @@ body {
     color: white;
     font-size: 14px;  /* Reduced font size */
     width: 120px;     /* Reduced width */
-    height: 40px;     /* Reduced height */
     border-radius: 8px;
     cursor: pointer;
-    margin-top: 10px;
-    margin-left: auto;
-    margin-right: auto;
 }