#authorList{
  position: relative;
  min-height: 220px;
}

#authorListCurtain{
  margin-top: 20px;
  width: 100%;
  height: 90%;
  min-height: 200px;
  background-color: #FFF;
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 20;
  display: none;
  box-shadow: 0px 0px 20px #000;
  border-radius: 10px;
}