#choicebox{
    display:flex;
    flex-direction: column;
  align-items: center;
  justify-content: center;
  }
  a{
    margin:10px;
  }
  .cb-buttons{
    display:grid;
    grid-template-columns: repeat(3, 50%);
  }
  @media only screen and (max-width: 460px) {
    /* For mobile phones: */
    .cb-buttons{
      display:grid;
      grid-template-columns: repeat(1, 30%);
    }
  }