html {
    margin: 0;
  }
  
  span {
    display: block;
  }
  .switcher {
    margin: 100px auto 100px;
    width: 80%;
    text-align: center;
  }
  
  .tap {
    width: 100px;
    height: 100px;
    border: solid black 2px;
    display: inline-block;
  }
  
  #red {
    background-color: red;
  }
  #green {
    background-color: green;
  }
  #blue {
    background-color: blue;
  }
  #yellow {
    background-color: yellow;
  }
  #white {
    background-color: white;
  }
  #grey {
    background-color: grey;
  }
  footer span{
    display: flex;
    justify-content: center;
    color: rgb(14, 53, 53);
  }