Bootstrap 3 .col-xs-offset-* doesn't work?

Question

I am using bootstrap 3 grid system loved it so far and everything was working well, I am trying to use col-xs-offset-1 and doesn't work although .col-sm-offset-1 works. What am I missing here ?

<div class="col-xs-2 col-xs-offset-1">col</div>

http://jsfiddle.net/petran/zMcs5/2/

Answer 1

Edit: as of Bootstrap 3.1 .col-xs-offset-* does exist, see bootstrap :: grid options

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.col-xs-offset-* doesn't exist. Offset and column ordering are only for small and more. (ONLY .col-sm-offset-*, .col-md-offset-* and .col-lg-offset-*)

See the official documentation : bootstrap :: grid options