Futontime_UI/modules/themes/common/darkcontentcontainer_nontv.css

@media all and (pointer:fine){.darkContentContainer{--theme-text-color-alpha:.9;color:hsla(var(--theme-text-color-hue),var(--theme-text-color-saturation),var(--theme-text-color-lightness),var(--theme-text-color-alpha))}}