Footer shadow + tweaks

Tweaks : Adjust margins and paddings of body
Product page -> Client design

YOU MUST : Turn off WooCommerce CSS
YOU MUST : Add a product with featured image and gallery images.
Started to modify product page to match client design.
Copies of woocommerce template files made in theme folder, to override
woocommerce template files.
More Product Page Design

Description now sits beside images.
Fixed weird sizing issue of "Related Products".
Adjusted button color.
Product page is, for the most part, responsive.