Change my HTML structure to CSS3 responsive design

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Bids
26
Avg Bid (USD)
$103
Project Budget (USD)
$30 - $250

Project Description:
I have 4 (four) HTML pages called MainBig.html for screen with width > 1200px, MainMedium.html (width above 1024px but below 1200px), MainIpad.html (witdh between 480x and 1024px) and MainSmartPhone.html (width 480px and smaller)

I need somebody to write a CSS3 stylesheet to merge all those pages into one adjusting its layout according to the layout.

What I am expecting is 1 (one) HTML and 1 (one) CSS

Skills required:
CSS, HTML5
Additional Files: Inmo.css MainBig.html MainIpad.html MainMedium.html MainSmartPhone.html
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