iOS devices add a lot of annoying styles on form inputs, particularly on input[type=submit]. Shown below are the same simple search form on a desktop browser, and on an iPad
You also get this problem in some browsers if you have the following:
Link
instead of:
This can happen if you change your input element for an anker element and forget to change type to role.
type
role
I had this problem on both Chrome and Safari on my IPad.