Mishar is Free WordPress Responsive Theme. It is fully widgetized with a lot of combinations and built in widgets/plugins. 12 column grid.
It uses Normalize to make sure that browsers render all elements more consistently and Mordernizr for detecting HTML5 and CSS3 browser capabilities along with some default styling from HTML5 Boilerplate.
Mishar includes a set of your most common theme templates, including templates for Full-Width pages, Left Sidebar, Right Sidebar (default), Tag,
Categories, Authors, Search, Posts Archive and 404.
All the standard WordPress Post Formats are supported. These include; Aside, Gallery, Link, Image, Quote, Status, Video, Audio, Chat and of course,
your standard post.