To alleviate the inconsistencies between browsers, I create a custom submit button. It’s also a plus to have a custom submit button, because you can:
1.) Have the ability to fully customize the submit button
2.) Have the ability to control the submit button layout/placement.
To learn how to create a custom submit button in Dynamic Forms, please review the following blog:
This is a quick tip that should help conform your Submit button for most Internet Browsers.