body { background-image: url("/space_default.jpg"); background-attachment: fixed; background-size: cover; } footer { text-shadow: 2px 2px 4px hsl(var(--bhsl-background-hue) var(--bhsl-background-saturation) var(--bhsl-background-lightness)); } .panel { min-width: 288px; } .panel .panel { min-width: 0; } #__next { margin: 0 auto; min-height: 100vh; max-width: 1000px; }