title: How do i devide bootstrap background container into 2 colors
body: <p>I'm using Twitter bootstrap to implement my project interface , But I'm facing a background problem and until now and i can't solve it , </p>
  
  <p>" How do i devide bootstrap background container into 2 colors " , I mean every 6 cols have a different color and the Fluid-background container will be the same of columns from left and right
  Image below is describe what i want to do </p>
  
  <p><a href="http://i.stack.imgur.com/LN38U.png" rel="nofollow">http://i.stack.imgur.com/LN38U.png</a></p>
  
  <p>So hope to get some tips </p>
  
  <p>Thank you</p>