* {
    font-family: "Space Mono", serif;
    font-weight: 400;
    font-style: normal;
}
body { background-color: #fff; font-family: Helvetica, Arial, sans-serif;  }
p { margin: 20px 0; }
h1, h2, p { display: block; color: #000; }

.hello {
    width: 300px;
    margin: 50px auto;
}