* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.container {
  width: 45%;
  margin: auto;
  margin-top: 100px;
  position: relative;
  overflow: hidden;
  border: 10px solid black;
}
.images {
  display: flex;
  height: 500px;
  width: 100%;
}
#prevBtn {
  position: absolute;
  top: 50%;
  z-index: 10;
  left: 5%;
  color: #fff;
  font-size: 30px;
  opacity: 0.6;
  cursor: pointer;
}
#nextBtn {
  position: absolute;
  top: 50%;
  z-index: 10;
  right: 5%;
  color: #fff;
  font-size: 30px;
  opacity: 0.6;
  cursor: pointer;
}