1. Standardized the style components (container, box, menu, logo, footer etc.) of style.css file so that it would be generic and can be reused across other pages.
2. Updated sell.php and account_menu.php according to standardized style.css
1. Updated the product_detail.php based on standardized 'style.css'
2. Added logic for placing order for a product
Merge pull request #3 from ramyaps/master

Changes #02 from ramyaps:fork to the updownlife:master