.app {
  max-width: 750px;
  min-height: 700px;
  text-align: center;
  background-color: lightgray;
  margin: 0 auto;
  padding: 1rem;
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: hidden;
}

h1 {
  color: darkred;
  padding-top: 1rem;
}

p {
  padding: 1.5rem;
}

.link {
  color: darkblue;
  text-decoration: none;
}

.link:visited {
  color: darkblue;
}

.link:hover {
  text-decoration: underline;
}

.text-block {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (max-width: 600px) {
  .app {
    max-width: 100vw;
    min-height: 100vh;
  }
  h1 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  p {
    font-size: 1rem;
    padding: 1rem;
  }
}