html, body { height: 100%; }

body {
  color: white;
}

.slider a { color: #fff; }

.slider {
  position: relative;
  width: 600px;
  height: 450px;
  margin: auto;
  padding: 0;
}

.slider li {
  position: absolute;
  top: 0;
  width: 100%;
  transition: opacity 0.85s ease;
}

.slider li span {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px 8px;
  border-radius: 3px;
}

.slider img { width: 100%; }

.slider .arrow {
  position: absolute;
  cursor: pointer;
  width: 50px;
  height: 100px;
  font-size: 40px;
  top: 50%;
  margin-top: -50px;
  text-align: center;
  line-height: 100px;
  z-index: 1;
  transition: background 0.4s ease-out;
  text-shadow: 1px 2px 2px #000;
  background: rgba(0, 0, 0, 0.3);
}

.slider .left.arrow {
  left: 0;
  border-radius: 0 8px 8px 0;
}

.slider .right.arrow {
  right: 0;
  border-radius: 8px 0 0 8px;
}

.slider .arrow:hover { background: rgba(0, 0, 0, 0.5); }

.slider .hidden { opacity: 0; }