CSS Variable


`--`
```type:root {  --main-bg-color: brown;}```



[CSS @apply](https://texonom.com/css-apply-72d5944d34314523a4e8e4a4efd331f6)


[CSS Shadow part](https://texonom.com/css-shadow-part-2f6a402d18b14643b83bd1ae6dceca6c)


```typeelement { --main-bg-color: brown;  background-color: var(--main-bg-color);}```

> [사용자 지정 CSS 속성 사용하기 (변수) - CSS: Cascading Style Sheets | MDN](https://developer.mozilla.org/ko/docs/Web/CSS/Using_CSS_custom_properties)





