re2o/useradmin/static/admin/css/changelists.css

/* Keep hidden fields hidden, can be removed with Bootstrap 4 */
.hiddenfields {
    display: none;
}

/* Actions buttons should not be glued to table */
.results {
    margin-top: 20px;
}

/* Checkbox column should be small */
#result_list .action-checkbox-column,
#result_list .action-checkbox {
    width: 40px;
    text-align: center;
}

/* For sortable columns */
.sortable .text {
    float: left;
}

.sortoptions {
    float: right;
    font-size: 12px;
    position: relative;
    top: 2px;
}

.sortoptions .sortpriority {
    display: none;
}