@media (max-width: 1000px) {
  h1 {
    font-size: 40px;
  }
  .square {
    width: 80%;
    height: 60px;
  }
}
@media (max-width: 850px) {
  h1 {
    font-size: 35px;
    width: 100%;
  }
  #message{
    font-size: 35px;
  }
  .square {
    width: 70%;
    height: 50px;
  }
  #stripe button {
    font-size: 25px;
  }
  #container {
    margin-right: 20px;
    margin-left: 20px;
  }
}
@media (max-width: 700px) {
  h1, #message {
    font-size: 25px;
  }
  .square {
    width: 60%;
    height: 40px;
  }
  #stripe button {
    font-size: 12px;
  }
  #stripe button {
    margin: 15px;
    padding: 5px;
    font-size: 17px;
  }
  #container {
    grid-template-columns:1fr 1fr;
    max-width: 800px;
    margin: 0 auto;
  }
}
@media (max-width: 500px) {
  h1, #message {
    font-size: 25px;
  }
  .square {
    width: 60%;
    height: 40px;
  }
  #stripe button {
    font-size: 20px;
  }
}
@media (max-width: 330px) {
    #stripe button {
      font-size: 15px;
    }
  }
  /* footer */