@media screen and (max-width:800px) {
    .ox_tbl_list th.num {width:3em;}
    .ox_tbl_list th.att,
    .ox_tbl_list th.stt {width:3.75em;}
    .ox_tbl_list .stt_lb,
    .ox_tbl_list .nm,
    .ox_tbl_list .edt,
    .ox_tbl_list .del {display:none;}
}

@media screen and (max-width:600px) {
    .ox_tbl_list .dt,
    .ox_tbl_list .my,
    .ox_tbl_list .proc {display:none;}

    .url_copy {display:none;}
}

@media screen and (max-width:500px) {
    .ox_tbl_list .set {display:none;}
}