DW-Cosmos is fully responsive for mobile/tablet/desktop, and features several optional sidebars on the left, and on the right, as well as, center content blocks(1 left side, 1 right side, 1 center,) and 2 header menus, one is a part of the design and can be changed in the customizer. The Premium Version has a total of 5 left, 5 right, and 5 center blocks, an HTML footer content box, as well as, a footer length widget area, and a header length widget area.