.col_sorted {
   background-image: url('../../../portal_online/imagens/asc_desc.gif');
   background-repeat: no-repeat; 
   background-position: right center; 
   padding-right: 17px; 
   cursor: pointer;
}

.col_sorted_asc {
   background-image: url('../../../portal_online/imagens/desc.gif');
   background-repeat: no-repeat; 
   background-position: right center; 
   padding-right: 17px; 
   cursor: pointer;
}

.col_sorted_desc {
   background-image: url('../../../portal_online/imagens/asc.gif');
   background-repeat: no-repeat; 
   background-position: right center; 
   padding-right: 17px; 
   cursor: pointer;
}