We recommend our clients to build responsive design to attract more visitors to their resource.  -JIM — PLEASE ADD SOME TEXT-

Our engineers have deep  HTML5/CSS3 knowledge and like to use SASS and  jQuery when building mobile friendly layouts.

Our design validness checklist includes (but is not limited to) the following items:

* Pixel perfect model accordance

*  Cross-browser support

* JavaScript and CSS validation

* Checking design on different resolutions

* Stability when changing static blocks

Check out our free eBook to get more WordPress help:

http://jbspartners.com/wordpresshelp