Bootstrap V4.0

@media (min-width:1200px) | .col-xl-

@media (min-width:992px) and (max-width:1199px) | .col-lg-

@media (min-width:768px) and (max-width:991px) | .col-md-

@media (min-width:576px) and (max-width:767px) | .col-sm-

@media (max-width:575px) | .col-