body {
  background-color:#222;
}

.carousel {
  position:relative;
  width:95%;
  border:10px solid white;
  margin:20px auto;
  box-shadow:0px 0px 40px #000;
}
.carousel > img {
  display:none;
  width:100%;
}
.carousel > input {
  position:absolute;
  left:-9999px;
}
.carousel > input:checked + label + img {
  display:block;
}

.carousel > label,
.carousel > input:checked ~ label ~ label ~ label ~ label {
  display:none;
}
.carousel > input:checked + label {
  display:block;
  left:0;
}
.carousel > input:checked ~ label ~ label ~ label {
  display:block;
  right:0;
}

.carousel > label {
  position:absolute;
  top:0;
  width:25%;
  height:100%;
  visibility:hidden;
}
.carousel > label:before {
  content:'';
  display:block;
  position:absolute;
  width:100%;
  height:100%;
  visibility:visible;
}
.carousel > label:after {
  display:block;
  position:absolute;
  top:50%;
  width:25px;
  height:25px;
  line-height:22px;
  margin:-15px 10px 0 10px;
  background-color:black;
  color:white;
  font-family:'Arial';
  font-weight:bold;
  font-size:18px;
  text-align:center;
  visibility:hidden;
  border:2px solid white;
  border-radius:20px;
  box-shadow:0 3px 4px black;
}
.carousel > label:hover:after {
  visibility:visible;
}

.carousel > input:checked + label:after {
  left:0;
  content:'\00AB';
}
.carousel > input:checked ~ label ~ label ~ label:after {
  right:0;
  content:'\00BB';
}