body {
    max-width: 760px;
    margin: 4rem auto;
    padding: 0 1.5rem;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Noto Sans",
        Helvetica,
        Arial,
        sans-serif,
        "Apple Color Emoji",
        "Segoe UI Emoji";

    font-size: 16px;
    line-height: 1.6;
    color: #24292f;
    background: #ffffff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
    font-weight: 600;
    line-height: 1.25;
    color: #1f2328;
}

code,
pre,
kbd,
samp {
    font-family:
        ui-monospace,
        SFMono-Regular,
        "SF Mono",
        Menlo,
        Consolas,
        "Liberation Mono",
        monospace;
}