// https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gtk/theme/Adwaita/_colors-public.scss $theme_fg_color: "@theme_fg_color"; $theme_bg_color: "@theme_bg_color"; button { all: unset; } window.Agenda { > button { margin: 24px; > box { /* From https://css.glass */ font-size: 1.3em; background: rgba(64, 47, 47, 0.32); border-radius: 16px; box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1); border: 1px solid rgba(64, 47, 47, 0.6); padding: 24px; } } }