.lslider {
  display: block;
  margin: 0 auto;
  width: 960px;
  height: 360px;
  box-shadow: 1px 5px 10px rgba(0, 0, 0, 0.5);
  padding: 0;
  list-style-type: none;
}
.lslider li {
  display: none;
  position: absolute;
  margin: 0;
}
.lslider li.active {
  display: block;
}