Layout Builder is a responsive theme, it was built for creating websites with custom layout. Any layout can be created by using recursive widget-sidebar, just open you Customizer's panel Widgets and create layout with any number of sections, columns and customizable width for each column and fill it by widgets or pages. Layout Builder is good for creating business, portfolio, magazine websites with custom structure. Supports Jetpack's portfolio custom post type and WooCommerce. Layout Builder has a number of options for pages and posts: right, left, two sidebars or full width layout, Google fonts choices, parallax header and more. You can see the demo at http://wpblogs.info/demo/layout-builder/.