diff --git a/common/_global.el b/common/_global.el
index dbc2dfe..4e92f1f 100644
--- a/common/_global.el
+++ b/common/_global.el
@@ -505,13 +505,30 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; zoom (replaces golden-ratio)
 (require 'zoom)
-(setq zoom-size '(0.618 . 0.618))
-(zoom-mode t)
-(global-set-key (kbd "C-x +") 'zoom)
-; zoom-mode can be bound to a key for toggle purposes
+
+; sizing
+;(setq zoom-size '(0.618 . 0.618))
+(defun kmn-zoom-size-callback ()
+  (cond
+         ((equal major-mode 'dired-mode)             '(0.20 . 0.20))
+         ((equal major-mode 'eww-mode)               '(0.75 . 0.75))
+         ((equal major-mode 'eshell-mode)            '(0.75 . 0.75))
+         ((string-equal (window-dedicated-p) "side") '(0.15 . 0.15))
+         (t                                          '(0.618 . 0.618))
+  ))
+ 
+; tuning
 (custom-set-variables
- '(zoom-ignored-major-modes '(dired-mode eshell-mode))
- '(temp-buffer-resize-mode t))
+ '(zoom-size 'kmn-zoom-size-callback)
+ '(temp-buffer-resize-mode t)
+; '(zoom-ignored-major-modes '(dired-mode))
+; '(zoom-ignore-predicates '((lambda () 
+;    (if (string-equal (window-dedicated-p) "side") 'Y' nil)
+;  )))
+)
+
+(global-set-key (kbd "C-x +") 'zoom)
+(zoom-mode t)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; popup windows