- Check that LibreOffice Calc's fix does not introduce any regressions somewhere else, because it required modifieng the .view selector, which is very general.
GTK 4 always uses the current icon theme, with no way to change this.
## Window decorations
* .maximized decoration to window.maximized, etc ()
```css
window.maximized,
window.fullscreen,
window.tiled, window.tiled-top,
window.tiled-left,
window.tiled-right,
window.tiled-bottom {
border-radius: 0;
}
```
Need to find titlebar colors, titlebar buttons, scrollbars, spinbuttons, statusbar, calendar (buttons, selected etc), attention-needed, some borders in notebooks