.stoplight-container {
    display: flex;
    justify-content: space-around;
    padding: 20px;
  }
  
  .stoplight {
    display: flex;
    flex-direction: column;
    width: 100px;
    background-color: black;
    padding: 10px;
    border-radius: 10px;
  }
  
  .light {
    width: 80px;
    height: 80px;
    margin: 10px auto;
    border-radius: 50%;
    background-color: gray;
  }
  
  .light.red.active {
    background-color: red;
  }
  
  .light.yellow.active {
    background-color: yellow;
  }
  
  .light.green.active {
    background-color: green;
  }