[elpa] externals/ef-themes 3105d096d4 4/4: Stop using :style flat-button for Emacs 27 compat

[ELPA Syncer]

branch: externals/ef-themes
commit 3105d096d434316ccb8f03ab82ee30fbd86dbe33
Author: Protesilaos Stavrou <info@protesilaos.com>
Commit: Protesilaos Stavrou <info@protesilaos.com>

    Stop using :style flat-button for Emacs 27 compat
    
    This style is for Emacs 28+.  We thus have to use the relevant
    background value as the border's color.
---
 ef-themes.el | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/ef-themes.el b/ef-themes.el
index de7ebe59dd..eff6d11051 100644
--- a/ef-themes.el
+++ b/ef-themes.el
@@ -1330,17 +1330,17 @@ Helper function for `ef-themes-preview-colors'."
     `(smerge-upper ((,c :inherit diff-removed)))
 ;;;; tab-bar-mode
     `(tab-bar ((,c :inherit ef-themes-ui-variable-pitch :background ,bg-alt)))
-    `(tab-bar-tab-group-current ((,c :inherit bold :background ,bg-main :box 
(:line-width (2 . -2) :style flat-button) :foreground ,fg-alt)))
-    `(tab-bar-tab-group-inactive ((,c :background ,bg-alt :box (:line-width (2 
. -2) :style flat-button) :foreground ,fg-alt)))
-    `(tab-bar-tab ((,c :inherit bold :box (:line-width (2 . -2) :style 
flat-button) :background ,bg-main :foreground ,fg-main)))
-    `(tab-bar-tab-inactive ((,c :box (:line-width (2 . -2) :style flat-button) 
:background ,bg-dim :foreground ,fg-dim)))
+    `(tab-bar-tab-group-current ((,c :inherit bold :background ,bg-main :box 
(:line-width (2 . -2) :color ,bg-main) :foreground ,fg-alt)))
+    `(tab-bar-tab-group-inactive ((,c :background ,bg-alt :box (:line-width (2 
. -2) :color ,bg-alt) :foreground ,fg-alt)))
+    `(tab-bar-tab ((,c :inherit bold :box (:line-width (2 . -2) :color 
,bg-main) :background ,bg-main :foreground ,fg-main)))
+    `(tab-bar-tab-inactive ((,c :box (:line-width (2 . -2) :color ,bg-dim) 
:background ,bg-dim :foreground ,fg-dim)))
 ;;;; tab-line-mode
     `(tab-line ((,c :inherit ef-themes-ui-variable-pitch :background ,bg-alt 
:height 0.95)))
     `(tab-line-close-highlight ((,c :foreground ,err)))
     `(tab-line-highlight ((,c :inherit highlight)))
     `(tab-line-tab (( )))
-    `(tab-line-tab-current ((,c :inherit bold :box (:line-width (2 . -2) 
:style flat-button) :background ,bg-main :foreground ,fg-main)))
-    `(tab-line-tab-inactive ((,c :box (:line-width (2 . -2) :style 
flat-button) :background ,bg-dim :foreground ,fg-dim)))
+    `(tab-line-tab-current ((,c :inherit bold :box (:line-width (2 . -2) 
:color ,bg-main) :background ,bg-main :foreground ,fg-main)))
+    `(tab-line-tab-inactive ((,c :box (:line-width (2 . -2) :color ,bg-dim) 
:background ,bg-dim :foreground ,fg-dim)))
     `(tab-line-tab-inactive-alternate ((,c :inherit tab-line-tab-inactive 
:foreground ,fg-alt)))
     `(tab-line-tab-modified ((,c :foreground ,warning)))
 ;;;; term