) ( defface my-minibuffer-default ' (( t :height 0.8 )) "Face for the minibuffer and the Completions." In this example, the my-minibuffer-default is set to a height that is 0.8 times the height of the default face. ( defface my-minibuffer-default ' (((( class color ) ( min-colors 88 ) ( background dark )) :background "#181032" :foreground "#a0d0ff" ) ((( class color ) ( min-colors 88 ) ( background light )) :background "#f2ede0" :foreground "#6f2000" ) (( t :height 0.8 ))) "Face for the minibuffer and the Completions."