@media only screen and (min-width: 700px) {
  body {
    font-size: 1.25em;
  }

  section {
    padding: 3em;
  }

  nav {
    margin: 0;
    padding: 0;
    top: 0;
  }

  div.buttons {
    flex-direction: row;
    justify-content: center;
  }

  section.flexible {
    flex-direction: row;
  }

  section.flexible div,
  section.flexible figure {
    flex-basis: 0;
  }

  section.flexible div {
    flex-grow: 2;
  }

  section.flexible figure {
    flex-grow: 1;
  }

  .logo img {
    width: 15%;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .card {
    padding: 1em;
    font-size: 1.5em;
  }

  section.cards {
    margin-left: 20%;
    margin-right: 20%;
  }
}