/* One transparent raster per graph; dark mode adapts it in the browser. */
html[data-theme="dark"] [data-history-page] img[data-period-image]{filter:invert(1) hue-rotate(180deg) brightness(1.65)}

/* Give transparent graphs more width without moving filters or other content. */
[data-history-period] > .shared-figures{margin-inline:-8px -14px}
@media(max-width:600px){[data-history-period] > .shared-figures{margin-inline:-4px -10px}}