#table_users thead th:nth-child(1) {
	width: 170px !important;
}

#table_users thead th:nth-child(7){
	width: 66px !important;
}

#table_users thead th:nth-child(1){
	width: 170px !important;
}

#table_users thead th:nth-child(7){
	width: 100px !important;
}