html,
body {
  margin: 0;
  padding: 0;
}

body {
  width: 350px;
  padding: 10px 20px;

  font-size: 14px;
  line-height: 1.5;
  font-family: "Arial", sans-serif;
  color: black;
}

h1 {
  margin: 0;
}