/* Marca d'água da Britland ao fundo (atrás do conteúdo, bem clara) */
:root:root body,:root:root[data-theme="dark"] body{background:url(../img/wm-dark.png) 0 0/360px 240px repeat fixed,var(--bg)}
:root[data-theme="light"]:root body{background:url(../img/wm-light.png) 0 0/360px 240px repeat fixed,var(--bg)}