If i do something like this in bootstrap, in html, all is working fine.
<div class="col-lg-9 col-md-9 col-sm-9 col-xs-9 content"> </div>
But problem goes when i want to nest bootstrap col class? How to mix col bootstrap classes in LESS or SASS, always i got undifined, must col be outside
.content
{
.make-lg-column(9);
.make-md-column(9);
.make-sm-column(9);
.make-xs-column(9);
}