title: twitter bootstrap remove gutter from span in fluid configuration
body: <p>I have followed this post with no success:</p>
  
  <p><a href="https://github.com/twitter/bootstrap/issues/3445#issuecomment-5640392" rel="nofollow">https://github.com/twitter/bootstrap/issues/3445#issuecomment-5640392</a></p>
  
  <p>i'm using fluid container and row, and i want to remove the gutters between spans.</p>
  
  <p>what exactly do i have to do in order to get spans with no margin-left gutter?
  i have used the custom build with property @fluidGridGutterWidth set to 0.
  i have even manually added to both responsive and regular css files:
  @fluidGridGutterWidth: margin-left:0;!important;
  @gridGutterWidth: margin-left:0;!important;</p>
  
  <p>still get this gutters!!!!</p>
  
  <p>please advise
  Thanks</p>