# Compiles style.scss to style.css.
$ sass style.scss:style.css
# Compiles light.scss and dark.scss to light.css and dark.css.
$ sass light.scss:light.css dark.scss:dark.css
# Compiles all Sass files in themes/ to CSS files in public/css/.
$ sass themes:public/css
sass [<input.css>:<output.css>] [<input/>:<output/>]...