@media (min-width:576px){.card-columns{-moz-column-count:2;column-count:2}}@media (min-width:768px){.card-columns{-moz-column-count:3;column-count:3}}@media (min-width:992px){.card-columns{-moz-column-count:4;column-count:4}}@media (min-width:1200px){.card-columns{-moz-column-count:5;column-count:5}}