Base on Bootstrap grid system.

col-lg-12

col-lg-6

col-lg-6

col-lg-4

col-lg-4

col-lg-4

col-lg-3

col-lg-3

col-lg-3

col-lg-3

col-lg-2

col-lg-2

col-lg-2

col-lg-2

col-lg-2

col-lg-2

Mobile, tablet, and desktop

col-xs-6

col-xs-6

col-lg-8

col-sm-6

col-sm-6

col-lg-6

col-md-6

col-md-6

col-lg-4

col-sm-6

col-sm-6