https://css-tricks.com/updating-a-css-variable-with-javascript/
origin - https://www.pipiscrew.com/?p=14231 updating-a-css-variable-with-javascript
https://css-tricks.com/updating-a-css-variable-with-javascript/
origin - https://www.pipiscrew.com/?p=14231 updating-a-css-variable-with-javascript