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

body{

  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  transition: all 0.2s ease;
  background-color: aqua;
}

.container{
  background-color: #333;
  width: 25rem;
  height: 10rem;
  border-radius: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.light{
  background-color: #000;
  border-radius: 100%;
  position: relative;
  height: 2.5rem;
  width: 2.5rem;
  transition: all 0.2s ease;
  margin: 0.5rem;
}

.light.active{
  background-color: var(--light-color);
  box-shadow: 0px 0px 20px 5px var(--light-color);
}

.light.Light1{
  --light-color:#00FFFC;
}

.light.Light2 {
  --light-color: #FC00FF;
}

.light.Light3 {
  --light-color: #fffc00;
}

.light.Light4 {
  --light-color: green;
}

.light.Light5 {
  --light-color: orange;
}

.light.Light6 {
  --light-color: purple;
}