:host,
:root {
    --br-dialog-root-box-shadow: 0 2px 8px #111;
    --br-dialog-root-max-inline-size: min(90vw, 60ch);
	--br-dialog-root-max-block-size: min(80vh, 100%);
}

@supports (max-block-size: 80dvb) {
    :host,
    :root {
        --br-dialog-root-max-block-size: min(80dvb, 100%);
    }
}