Greeting!!
I have gone through your job post and I understand the issue of browser compatibility. I have solved such issues earlier and can also resolve your problem. The code need to be fixed using the javascript and will be done in 2 days.
I have my skills over php, wordpres, javascript, jquery, html,css, bootstrap.
If you have any query feel free to ask. I am available to chat.
Looking forward to work with you.
Regards,
Megha