@media only screen and (min-width: 2000px) {
  .size {
    width: 167px;
    height: 167px;
  }
  .res {
    font-size: 5rem;
  }
}

@media only screen and (max-width: 827px) {
  .size {
    width: 150px;
    height: 150px;
  }

  .res {
    font-size: 3rem;
  }
}

@media only screen and (max-width: 759px) {
  .size {
    width: 120px;
    height: 120px;
    -webkit-border-radius: 8px;
       -moz-border-radius: 8px;
            border-radius: 8px;
  }
}

@media only screen and (max-width: 640px) {
  .size {
    width: 80px;
    height: 80px;
    -webkit-border-radius: 8px;
       -moz-border-radius: 8px;
            border-radius: 8px;
  }
  .score {
    font-size: 3.3rem;
  }
  .container {
    margin: 15px;
  }
}

@media only screen and (max-width: 480px) {
  .size {
    width: 75px;
    height: 75px;
  }
  .score {
    font-size: 2.8rem;
  }

  .container {
    margin: 10px;
  }
}

@media only screen and (max-width: 420px) {
  .size {
    width: 70px;
    height: 70px;
  }
  .score {
    font-size: 2.5rem;
    padding: 3rem 5rem;
  }

  .game-board {
    margin-top: 3em;
  }
  .container {
    margin: 10px;
  }
}

@media only screen and (max-width: 360px) {
  .size {
    width: 60px;
    height: 60px;
  }
  .score {
    font-size: 2.3rem;
    padding: 2rem 4rem;
  }

  .game-board {
    margin-top: 2em;
  }
}

@media only screen and (max-width: 320px) {
  .size {
    width: 55px;
    height: 55px;
  }
  .score {
    font-size: 2rem;
    padding: 2rem 4rem;
  }

  .game-board {
    margin-top: 2em;
  }
  .container {
    margin: 8px;
  }
}