html, body, #hestia-viewport {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.notice {
    box-sizing: border-box;
    max-width: 36rem;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    font: 1rem/1.5 system-ui, sans-serif;
}

/* unsupported.html shows the insecure-page copy only when linked as #insecure. */
#insecure {
    display: none;
}

#insecure:target {
    display: block;
}

#insecure:target ~ #browser {
    display: none;
}