Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
The form elements have problem in other webkit based browsers like Chrome in Android.
According
http://developer.apple.com/library/safari/#documentation/InternetWeb/Con...
The defaults form elements which are different form apps' interface in safari should be kept.
And other browsers like chrome also have default form elements design optimized for themselves.