(set-face-attribute face nil :inherit 'fixed-pitch))
(list 'org-code 'org-block 'org-block-background 'org-block-begin-line 'org-block-end-line))
(set-face-attribute 'org-table nil :family "Ubuntu Mono" :height 140)
+ (set-face-attribute 'org-formula nil :family "Ubuntu Mono" :height 140)
;; org-special-keyword inherited from font-lock-keywork originally; as org is changed to variable-pitch, it cause
;; the font in special-keywords are not monospace
(set-face-attribute 'org-special-keyword nil :inherit '(font-lock-keyword-face fixed-pitch))