Choose a combination of predefined colors here. Here are some examples. You can create any additional number on your backend theme, also can choose the background you want and four differents layouts.
Pellentesque habitant morbi fames ac turpis egestas. Vestibulum tortor quam. Pellentesque habitant
Pellentesque habitant morbi fames ac turpis egestas. Vestibulum tortor quam Pellentesque habitant.
Pellentesque habitant morbi fames ac turpis egestas. Vestibulum tortor quam. Pellentesque habitant
Bootstrap includes a responsive, mobile first fluid grid system that appropriately scales up to 12 columns as the device or viewport size increases.
Learn more: http://getbootstrap.com/css/#grid