https://developer.mozilla.org/ko/docs/Web/HTML/Element/label

sementic tag 시멘틱 태그

https://stonefree.tistory.com/59

css 이미지 조정

https://inpa.tistory.com/entry/CSS-%F0%9F%93%9A-%EC%9D%B4%EB%AF%B8%EC%A7%80-%EC%82%AC%EC%9D%B4%EC%A6%88-%EB%B9%84%EC%9C%A8-%EB%A7%9E%EC%B6%94%EB%8A%94-3%EA%B0%80%EC%A7%80-%EB%B0%A9%EB%B2%95-object-fit-background-size-position

XEICON

https://xpressengine.github.io/XEIcon/index.html