Frontend - Responsive and CSS Expert

1)I need someone to make a few css tweaks to my existing website design to make it more eye catching as well as offer better user experience and produce 3-4 different designs by changing the placements for different elements and different color combinations. 2)I also need to turn the design into a responsive design to work across mobiles phones to desktops and anything in between. 3)Lastly validate and clean up the css code( 1)move internal styles to external style sheet so that everything is applicable through this external style sheet 2) remove css code that is not being used. anymore 3) organize css code hierarchy ) It's good if you know a bit of php but I will help you with getting the work done. Have a look at the links here- [login to view URL] [login to view URL] I have implemented these designs myself , so you need to be an expert at css to make them much better. Payment can be milestone based. Complete payment would be made once everything has been tested thoroughly. Looking for someone who can do this for a reasonable price. Work starts as soon as I find the right developer. Please provide examples of your work including responsive design. When you bid/message , please answer with a brief summary of my job requirements , so that I know you read and understand the job requirements.