#images {
   width: 600px;
  height: 450px;
  overflow: hidden;
  position: relative;
  text-align:center;
  margin: 20px auto;
}
#images img {
  width: 600px;
  height: 450px;
    text-align:center;
  position: absolute;
  top: 0;
  left: -400px;
  z-index: 1;
  opacity: 0;
  
  transition: all linear 500ms;
  -o-transition: all linear 500ms;
  -moz-transition: all linear 500ms;
  -webkit-transition: all linear 500ms;
}
#images img:target {
  left: 0;
  z-index: 9;
  opacity: 1;
}
#images img:first-child {
  left: 0;
  opacity: 1;
}
#slider a {
  text-decoration: none;
  background: #E3F1FA;
  border: 1px solid #C6E4F2;
  padding: 2px 4px;
  color: #222;
    text-align:center;
}
#slider a:hover {
  background: #C6E4F2;
    text-align:center;
}