dots/usr/share/themes/Dracula/gtk-3.20/_common.scss

/*********
* Common *
*********/

@function gtkalpha($c,$a) {
  @return unquote("alpha(#{$c},#{$a})");
}

$ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
$asset_suffix: if($variant=='dark', '-dark', '');
$backdrop_transition: 200ms ease-out;
$button_transition: all 200ms $ease-out-quad;

* {
  padding: 0;
  -GtkToolButton-icon-spacing: 4;
  -GtkTextView-error-underline-color: $error_color;

  // The size for scrollbars. The slider is 2px smaller, but we keep it
  // up so that the whole area is sensitive to button presses for the
  // slider. The stepper button is larger in both directions, the slider
  // only in the width

  -GtkScrolledWindow-scrollbar-spacing: 0;

  -GtkToolItemGroup-expander-size: 11;

  -GtkWidget-text-handle-width: 20;
  -GtkWidget-text-handle-height: 24;

  -GtkDialog-button-spacing: 4;
  -GtkDialog-action-area-border: 0;

  // We use the outline properties to signal the focus properties
  // to the adwaita engine: using real CSS properties is faster,
  // and we don't use any outlines for now.

  outline-color: transparentize($fg_color, 0.7);
  outline-style: dashed;
  outline-offset: -3px;
  outline-width: 1px;
  -gtk-outline-radius: 2px;

  -gtk-secondary-caret-color: $selected_bg_color;
}