firefox and iE error

i have firefox 34.0 version ansd IE version 10.0, when i test my website on these browsers we encounters two problem,
1st is, the revolution slider is having next and previous button which is not visible in google chrome but is seen on firefox and IE.
2nd is, there is a white between the last content of the page and copyright section on every pages.
how to fix this?
Pls help as i have posted the same problem 10 days ago but u guys didnt rpl to any of my post, so i have created the new topic.
hope to hear you soon this this time as this is really urgent.
this is my url:- http://www.jinteriors.co.in/about-us-3/
pls rpl soon