mage-eventpress/inc/welcome/css/include/responsive.css

@media only screen and (max-width: 1100px) {

}
@media only screen and (max-width: 900px) {

}
@media only screen and (max-width: 700px) {

}
@media only screen and (max-width: 500px) {
    [class^="mageStyle"] [class*="dNoneEs"] {display: none;}
}