SweetTokyoNight/gtk-4.0/widgets/_lists.scss

/*********
 * Lists *
 *********/
list, listview {
  color: $text_color;
  background-color: $base_color;
  border-color: $borders_color;

  &:backdrop {
    background-color: $backdrop_base_color;
    border-color: $backdrop_borders_color;
  }

  &.horizontal row.separator,
  &.separators.horizontal > row:not(.separator) {
    border-left: 1px solid $borders_color;
  }
  &:not(.horizontal) row.separator,
  &.separators:not(.horizontal) > row:not(.separator) {
    border-bottom: 1px solid $borders_color;
  }
}

row {
  padding: 5px 11px;
  transition: all 150ms $ease-out-quad;

  label {
    padding-left: 8px;
  }

  &:hover { transition: none; }

  &:backdrop { transition: $backdrop_transition; }

  &.activatable {
    &.has-open-popup, // this is for indicathing which row generated a popover see https://bugzilla.gnome.org/show_bug.cgi?id=754411

    &:hover { background-color: if(variant == light, transparentize($fg_color, 0.9), transparentize($fg_color, 0.95)); }

    &:active { box-shadow: inset 0 2px 2px -2px transparentize(black, 0.8); }

    &:backdrop:hover { background-color: transparent; }

    &:selected {
      &:active { box-shadow: inset 0 2px 3px -1px transparentize(black, 0.5); }

      &.has-open-popup,
      &:hover { background-color: transparentize($selected_bg_color, 0.5); }

      &:backdrop { background-color: $backdrop_selected_bg_color; }
    }
    
    button.flat{
      background-color: transparent;
    }
  }

  &:selected { @extend %selected_items; }
}