Ark has completely configurable back-office color settings for every element of the skin. Ark allows you to decide from which point you want to break the regular menu layout to "Hamburger menu" by inserting the exact width (in pixels).
Category: "Left sidebar"
Material Manual is responsive Bootstrap based skin for B2evolution CMS. It is part of the Material skin family.
Clean and simple "Blog" collection skin for B2evolution CMS.
This responsive skin uses the twitter bootstrap framework. When the viewport is too narrow, the sidebar goes under the main area. Bootstrap Manual skin was designed for "Manual" collection.