If you're search for such gig, you should already know the imprortance of having a mobile optimzied website which adapts to any and every screen size but a lot of time it happens that your site is not perfectly responsive.
What you should do?
Dispose the theme as fast you can.
Hire me and let stitch the problem for you rather then going to the hassle of re-designing your website from scratch
I'm a pro CSS developer and I know how to make your site work with any mobile, any OS
Please note that this service is not limited to $5 gig so if you have a bigger problem, do contact me fist before ordering so we can discuss