Changed container width to from 1000px to 90%.
Changed .grid widths to %s.
Added max-width: 1000px to .container.
Changed .grid margins from px to %s.
Added img rule with max-width: 100% in style.css file.
Added media query for iphone in style.css file.
Added meta file for viewpoint on iphone in index.html file.
Added media query for ipad in style.css file.
Updated media queries with 650px and general labels.