@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
body {
    font-family: "Open Sans", sans-serif;
    font-size: 16px;
    background: #fefefe;
    margin: 0;
    padding: 0;
}
.content {
    width: 90%;
    margin: 0 auto;
    max-width: 900px;
}
header {
    background: #444;
    color: #fff;
    padding: 28px 16px 32px 16px;
}
main {
    padding: 24px 0;
}
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 12px 0;
    font-size: 13px;
    color: #999;
}
h1 {
    margin: 0;
    padding: 0;
    font-size: 36px;
}
h2 {
    font-size: 24px;
    margin: 32px 0 12px 0;
}