body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    font-family: sans-serif;
    background-color: white;
    color: black;
    overflow: hidden;
}

body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}

body>.site-nav {
    width: auto;
    margin-top: -1.25rem;
    margin-left: -1.25rem;
    margin-right: -1.25rem;
}

@media (max-width: 900px) {

    body,
    html {
        height: auto;
        min-height: 100vh;
        overflow-x: hidden;
        overflow-y: auto;
        padding: 0;
        font-size: 1.25rem;
    }

    body {
        padding: 0.5rem;
    }

    body>.site-nav {
        margin-top: -0.5rem;
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
}