h1 {
  color: blue;
}
h3 {
  color: blue;
}
html {
    font-size: 18px;
    font-family: Montserrat;
}
body {
  width: 600px;
  margin: 0 auto;
  padding: 0 20px 20px 20px;
  border: 5px solid black;
}