ws-thredds-sync-widget/src/main/java/org/gcube/portlets/widgets/wsthreddssync/public/WsThreddsWidget.css

/** Add css rules here for your application. */

.ws-thredds-modal-body div.modal-body {
    position: relative;
    max-height: 600px !important;
    padding: 15px;
    overflow-y: auto;
}