style.css

* {
  margin: 0;
  padding: 0;
  vertical-align: bottom;
  box-sizing: border-box;
}

.slider {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.slider_content {
  position: relative;
  width: 700px;
  height: 467px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #ccc;
}

.slider_container {
  position: absolute;
  left: 0;
  width: 700px;
  height: 467px;
  transform: translateX(0);
  transition-duration: .5s;
}

.slider_img {
  position: absolute;
  top: 0;
}

.slider_controll {
  position: relative;
  bottom: -20px;
  text-align: center;
  font-size: 0;
}

.dots {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 15px;
  border-radius: 50%;
  background-color: #999;
}

.dots:hover {
  cursor: pointer;
}

.current {
  border: 1px solid #08c;
  background-color: transparent;
}