We customized the montana theme.We have problem in top menu

1.velhighetch.com is our website.We have problem in top menu alignment.(contact us ).I have to rectify it.
2.In some browser this site is have design issues.ie IE latest version of google crome and firefox…
Please help us to come out from this problem.
Vel high tech

Please content the author of the purchased item for support. Please see the “Support” tab on the item page for further details.