Mobile, Tablet, Desktop Grid
.col-xs-12 .col-sm-8 .col-lg-8
.col-xs-6 .col-sm-4 .col-lg-4
.col-xs-6 .col-sm-4 .col-lg-4
.col-xs-6 .col-sm-4 .col-lg-4
.col-xs-6 .col-sm-4 .col-lg-4
.col-xs-6 .col-sm-6 .col-lg-6
.col-xs-6 .col-sm-6 .col-lg-6
.col-xs-12 .col-sm-6 .col-lg-4
.col-sm-6 .col-lg-4
.col-lg-4
.col-xs-12 .col-sm-6 .col-md-8
.col-xs-6 .col-sm-6 .col-md-4
.col-xs-6 .col-sm-4 .col-md-4
.col-xs-6 .col-sm-4 .col-md-4
.col-xs-6 .col-sm-4 .col-md-4
The above grid will display differently at "xs" (phone), "sm" (tablet), and lg (large display) resolutions