.a_button:link{color:#fff;text-decoration:none;font-family:verdana;font-size:12px;font-weight:bold;padding-left:5px;padding-right:5px}.a_button:visited{color:#ff0;text-decoration:none;font-family:verdana;font-size:12px;font-weight:bold;padding-left:5px;padding-right:5px}.a_button:hover{color:#ff0;font-family:verdana;font-size:14px;font-weight:bold;padding-left:5px;padding-right:5px;text-decoration:underline}.column{background:#d5e7fd;font-family:Tahoma,Arial,sans-serif;font-size:12px;font-weight:bold;color:#000;text-align:center}.table_title{border:0;width:100%;height:32px;background-image:url(http://www.thptnuithanh.edu.vn/ooffice/images/xbgmenu1.png.pagespeed.ic.pFyrSogXVx.png);background-repeat:repeat-x;font-family:Verdana,Arial,Helvetica,sans-serif;font-size:14px;font-weight:bold;color:#fff}.field_cl_lable{font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;font-weight:bold;color:#00f;vertical-align:top}.cl_data_stt1{font-family:Arial,Helvetica,sans-serif;color:red;font-size:12px;height:25px;width:4%;text-align:right;font-weight:bold}.cl_data_stt{font-family:Arial,Helvetica,sans-serif;color:red;font-size:12px;height:25px;width:4%;text-align:center}.cl_data_ten{font-family:Arial,Helvetica,sans-serif;font-size:12px;width:19%;margin-left:2px;margin-right:2px}.cl_data_ngay{font-family:Arial,Helvetica,sans-serif;font-size:12px;width:15%;text-align:center}.button{font-family:Tahoma,Arial,Sans\ serif;color:#fff;padding:4px;background:#d74937;border:1px solid silver;font-weight:bold;cursor:pointer}.button:hover{color:#ff0}.label_chitiet_noidung{width:16%;color:#00f;font-size:12px;font-family:Tahoma,Arial,Sans\ serif;font-weight:bold;vertical-align:top}.bar_title{font-family:Verdana,Arial,Helvetica,sans-serif;font-size:14px;font-weight:bold;color:#000}.label_congvanden{color:#36c;font-size:12px;font-family:Tahoma,Arial,Sans\ serif;font-weight:bold;text-align:left}.label{color:#fff;font-weight:bold;font-family:Verdana,Tahoma,Arial,Helvetica,sans-serif;font-size:12px}#f1_upload_process{z-index:100;visibility:hidden;position:absolute;text-align:center;margin-bottom:20px;float:right}