.dots{
    width: 100%;
  height: 20px;
  top: -5px;
  display: block;
  position: relative;
  text-align: center;
    background-color: rgba(0,0,0,0.8);
}
.dots .dot {
  width: 10px;
  height: 10px;
  margin: 0 4px;
  position: relative;
  border-radius: 100%;
  display: inline-block;
  background-color:#4d4d4d;
}