Copper - HTML5 & CSS3 unique Multipurpose Template is a Clean and easy to customize Theme, It can be used for business and corporate sites, your portfolio site or customize it to suit of your needs. Powered by Bootstrap 3.0 Grid system with 1170px. 100% Responsive and Retina Ready. Cooper is perfect for a wide variety of projects. Easy to use and clean code will be a simple task to get you up and running in no time. Another option to mention is that it is built with LESS CSS. Copper is Html5 + CSS3 Multipurpose template and works fine in all major browsers and IE from version 9. It's powered by jQuery and you'll find nice and discreet interactivity. The code is clearly written.