.carousel {
 /*  width: 500px;
  height: 200px; */
  margin: 0 auto;
}
.slide {
  width: 100%;
  height: 100%;
  float: left;
  margin-right: 10px;
}
.active {
  border: 1px solid red;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: black;
  color: white;
  float: left;
  margin-left: 5px;
}
.active-dot {
  background-color: red;
}