@media ( max-width: 1000px ) {
    .layout-3 .row_25_25_25_25 > .col, .layout-3 .row_25_25_25_25 > .col:last-child > .csc-default, .layout-3 .row_25_25_25_25 > .col > .csc-default:last-child { width: 100%;}
    .layout-3 .row_25_25_25_25 > .col > .csc-default { width: 48%; float: left; margin-right: 4%; }
    .layout-3 .row_25_25_25_25 > .col > .csc-default:nth-child(2n) { width: 48%; margin-right: 0; }
}

@media ( max-width: 600px ) {
    .layout-3 .row_25_25_25_25 > .col > .csc-default, .layout-3 .row_25_25_25_25 > .col > .csc-default:nth-child(2n) { width: 100%; float: none; margin-right: 0; }
}