div {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; /* устанавливаем высоту div равной высоте экрана */
  }
  body {
    margin: 0;
    padding: 0;
    background-color: rgb(136, 136, 72);
  }
  p {
    display: none;
    text-align: center; /* выравниваем текст внутри p по центру */
    font-family: Arial, Helvetica, sans-serif;
    font-size: 50px;
    font-weight: bold;
    color: white;
    text-transform: uppercase;
  }
  #color-box {
    justify-content: center;
    align-items: center;
    display: none;
    border: 3px solid black;
    width: 50px;
    height: 50px;
    margin-right: 25px;
    border-radius: 8%;
    box-shadow: 3px 3px 3px black;
    background-color: black;
    color: white;
    text-align: center;
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
  }
  span {
    margin-right: 20px;
  }
  #start {
    transition: 200ms;
    width: 250px;
    height: 150px;
    border: 2px solid black;
    border-radius: 10%;
    background-color: black;
    color: rgb(136, 136, 72);
    font-size: 50px;
    font-weight: bold;
    font-family: Verdana, sans-serif;
  }
  @media (hover: hover) {
    #start:hover {
        background-color: rgb(66, 63, 63);
    }
  }
  @media (hover: none) {
    #start:active {
        background-color: rgb(66, 63, 63);
    }
  }
  @media screen and (max-width: 560px) {
    div {
        flex-direction: column;
    }
    p {
        font-size: 40px;
    }
    #color-box {
        width: 70px;
        height: 70px;
    }
  }
  @media screen and (max-width: 321px) {
    p {
        font-size: 20px;
    }
    #color-box {
        width: 40px;
        height: 40px;
    }
  }
  @media screen and (max-width: 292px) {
    #start {
      width: 150px;
      height: 60px;
      font-size: 20px;
    }
  }
  @media screen and  (max-width: 160px) {
    p {
        font-size: 15px;
    }
  }