table.wp-list-table tbody td.column-handle {
    cursor: move;
    width: 17px;
    text-align: center;
    vertical-align: text-top;
}
table.wp-list-table tbody td.column-handle::before {
    content: '\f333';
    font-family: 'Dashicons';
    text-align: center;
    line-height: 1;
    color: #999;
    display: block;
    width: 17px;
    height: 100%;
    margin: 4px 0 0 0;
}