@media only screen and (max-width: 815px) {
    .c-col-4{
        width: 33%!important;
    }
}


@media only screen and (max-width: 600px) {
    .c-col-4{
        width: 50%!important;
    }
}


@media only screen and (max-width: 450px) {
    .c-col-4{
        width: 100%!important;
    }
}