Adapt our current web pages correctly to implement FULL semantic HTML5, CSS and responsive

Adapt our current web pages (about 130 pages) "correctly" to implement FULL semantic HTML5 including the h1 and img tags including CSS as well for responsive web styling/design for all devices : Web, ios (including ipads), android. Clean up and remove all unnecessary including all bad codes which are NOT required to adapt and to implement. See enclosed Url list with number of pages. Please reply with examples of your work, you should have experience with CSS and HTML5 Semantic. Skills Required: Website Design, HTML5 Semantic, JavaScript, CSS, Responsive web styling/design. Only serious bids !