body {
  background: #222;
}

#content {
  display: flex;
  align-items: center;
  justify-content: center;
}

#container {
  padding-top: 30vh;
  text-align: right;
}
#container .bcd-element {
  background: #eee;
  box-shadow: none;
  border-radius: 50%;
  display: inline-block;
  margin: 8px;
  opacity: 0.1;
  width: 20px;
  height: 20px;
  transition: all 500ms;
}
#container .bcd-element.active {
  box-shadow: 0 0 5px #fff;
  opacity: 1;
}