/*dve/tri kolonky vedle sebe mobil*/
@media only screen and (max-width: 480px) {
    .dve-kolonky .et_pb_column {
    width: 50%!important;
}
}
@media only screen and (max-width: 980px) {
    .tri-kolonky .et_pb_column {
    width: 33.3%!important;
}