* {
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  border: 0;
  padding: 0;
  background-color: #fff;
}

@media only screen and (min-width: 800px) {
  header {
    width: 75%;
  }

  main {
    width: 75%;
  }

  footer {
    width: 75%;
  }
}

@media only screen and (min-width: 1201px) {
  header {
    width: 50%;
  }

  main {
    width: 50%;
  }

  footer {
    width: 50%;
  }
}

header {
  margin: auto;
  padding: 20px;
  text-align: center;
}

header img {
  margin: 0px auto 0px auto;
  width: 200px;
  height: 200px;
}

main {
  margin: auto;
  padding: 20px;
}

main > h1 {
  text-align: center;
  font-size: 3.5em;
  margin: 2em 0em 0.5em 0em;
}

main > h2 {
  text-align: center;
  font-size: 1.5em;
  margin: 2em 0em 0.5em 0em;
}

footer {
  margin: auto;
  padding: 20px;
  text-align: center;
}