    ;; Default font or prioritized list of fonts. The `:size' can be specified as
    ;; a non-negative integer (pixel size), or a floating-point (point size).
    ;; Point size is recommended, because it's device independent. (default 10.0)
-   dotspacemacs-default-font '("Source Code Pro"
-                               :size 9.5
+   dotspacemacs-default-font `("Source Code Pro"
+                               :size ,(if (spacemacs/system-is-mac) 15.0 9.5)
                                :weight normal
                                :width normal)
 

                       :image-converter
                       '("convert -density %D -antialias %f -shave 1x1 -trim -quality 100 %O")))
      (add-to-list 'org-preview-latex-process-alist (cons 'imagemagick-dpi-fix imagemagick))))

  ;; Set `fill-column' in `rust-mode' to the rustfmt default max line width
  (add-hook 'rust-mode-hook


   ;; List of configuration layers to load.
   dotspacemacs-configuration-layers
   `(
     ;; ----------------------------------------------------------------
     ;; Example of useful layers you may want to use right away.
     ;; Uncomment some layer names and press `SPC f e R' (Vim style) or
