◾️ [box-sizing:border-box] include padding and border size
https://developer.mozilla.org/ko/docs/Web/CSS/box-sizing
* {
box-sizing: border-box;
}◾️ [box-sizing:border-box] include padding and border size
https://developer.mozilla.org/ko/docs/Web/CSS/box-sizing
* {
box-sizing: border-box;
}