style.css

#container {
  position:relative;
  height: 500px;
  width: 1000px;
}

#left { left: 0; }
#right { right: 0; }
#left, #right {
  cursor: pointer;
  margin: auto;
  top: 0;
  bottom: 0;
  height: 100%;
  width: 7.5%;
}

.accent { opacity: .2; background-color: rgba(255, 255, 255, 1); }
.accent:hover { opacity: .8; }

#bullets {
  text-align: center;
  width: 50%;
  height: 7.5%;
  margin: 0 auto;
  bottom: 0;
  right: 0;
  left: 0;
  padding: 0;
}

#bullets li { display: inline-block; }
.bullet {
  margin: 60% .2rem;
  display: inline-block;
  width: .9rem;
  height: .9rem;
  border-radius: 50%;
}

.controls {
  z-index: 2;
  position: absolute;
  -webkit-transition: all .3s ease-in-out;
  -moz-transition: all .3s ease-in-out;
  -o-transition: all .3s ease-in-out;
  transition: all .3s ease-in-out;
}

.slider-img {
  width: 100%;
  height: 100%;
  opacity: 0;
  position: absolute;
  left: 0;
  -webkit-transition: opacity .5s ease-in-out;
  -moz-transition: opacity .5s ease-in-out;
  -o-transition: opacity .5s ease-in-out;
  transition: opacity .5s ease-in-out;
}

.show { opacity: 100 !important; }