* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: "OpenSans";
    src: url(/OpenSans-VariableFont_wdth,wght.ttf);
}

body {
    font-family: OpenSans;
}

header {
    text-align: center;
}

header section {
    padding-block: 2em;
    font-size: 24px;
}

header nav a, header nav a:visited {
    color: green;
    text-decoration: none;
}

main {
    padding-block: 2em;
    text-align: center;
}