固定显示

.q-survey {

  width: 132px;

  height: 163px;

  position: fixed;

  bottom: 220px;

  left: 50%;

  margin-left: 489px;

  _position: absolute;

  _top: expression(documentElement.scrollTop+document.documentElement.clientHeight - 413+"px");

  border: 1px solid #63ad00;

  z-index: 2000;

  background: #fff;

}