html, body {
    background-image: if(style(--mud-native-html-color-scheme: dark): url('/img/background-dark.svg'); else: url('/img/background-light.svg')) !important;
    background-size: auto 100vh;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: top right;
}

/* Header bar background image */
.mud-appbar {
    background-image: if(style(--mud-native-html-color-scheme: dark): url('/img/header-background-dark.png'); else: url('/img/header-background-light.png')) !important;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}