@media screen and (min-width: 1025px) {
    ul.wppap-thumbs {
        padding: 0 300px !important;
        margin: 0!important;
        width: 100%;
        list-style: none!important;
    }
}

/*
@media screen and (max-width: 540px) {
    li.wppap-portfolio-wrp.wppap-medium-4 {
       width: 50% !important;
    }
}
*/