div.qaccordion .acc-header-active{
  cursor: pointer;
  margin: 15px 0 0 0;
  padding: 0 0 5px 0;
  border-bottom: 1px solid #ddd;
  background: url(../images/acc_arrow2.gif) no-repeat scroll right center;
}

div.qaccordion .acc-header {
  cursor: pointer;
  margin: 15px 0 0 0;
  padding: 0 0 5px 0;
  border-bottom: 1px solid #ddd;
  background: url(../images/acc_arrow1.gif) no-repeat scroll right center;
}