Boonex Dolphin Browser Compatibility Internet Explorer Firefox Chrome

We a seeking a css developer to assist us with Browser Compatablity for all the browsers for our Boonex Dolphin Social Networking Site
Internet Explorer 5 6 4 7
Firefox
Chrome
Safari
Opera

The site needs look the same on all browsers.

Requirements
Must be able to meet deadlines.
Knowledge with CSS and Html.

Payment: Payment will be made after the job is complete.