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Interview_practice_3.md

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CSS ์†์„ฑ

  • CSS ์„ ํƒ์ž
  • CSS Colors
  • CSS ๋ฐฐ๊ฒฝ
  • CSS ํ…Œ๋‘๋ฆฌ
  • CSS ์—ฌ๋ฐฑ๊ณผ ํŒจ๋”ฉ
  • CSS ํ…์ŠคํŠธ
  • CSS ๋งํฌ
  • CSS ํ”Œ๋กœํŠธ

Styled-component

Styled-component (CSS-in-JS์˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ)

CSS in JS

  • ์Šคํƒ€์ผ ์ •์˜๋ฅผ css๋‚˜ scss ํŒŒ์ผ์ด ์•„๋‹Œ js๋กœ ์ž‘์„ฑ๋œ ์ปดํฌ๋„ŒํŠธ์— ๋ฐ”๋กœ ์‚ฝ์ž…ํ•˜๋Š” ์Šคํƒ€์ผ ๊ธฐ๋ฒ•
  • import ํ•ด์„œ ํ™œ์šฉ

CSS in JS์˜ ์žฅ์ 

  • css์˜ ์ปดํŒŒ์ผํ™”๋กœ ์Šคํƒ€์ผ์‹œํŠธ์˜ ํŒŒ์ผ์„ ์œ ์ง€๋ณด์ˆ˜ ํ•  ํ•„์š” x
  • js ํ™˜๊ฒฝ ์ตœ๋Œ€ ํ™œ์šฉ ๊ฐ€๋Šฅ
  • js์™€ css ์‚ฌ์ด์˜ ์ƒ์ˆ˜์™€ ํ•จ์ˆ˜ ์‰ฝ๊ฒŒ ๊ณต์œ  ๊ฐ€๋Šฅ (React์—์„  props๋ฅผ ํ™œ์šฉํ•œ ์กฐ๊ฑด๋ถ€ ์Šคํƒ€์ผ๋ง ๊ฐ€๋Šฅ)
  • ํ˜„์žฌ ์‚ฌ์šฉ์ค‘์ธ ์Šคํƒ€์ผ๋งŒ dom์— ํฌํ•จ
  • ์งง์€ ๊ธธ์ด์˜ ์œ ๋‹ˆํฌํ•œ ํด๋ž˜์Šค ์ž๋™ ์ƒ์„ฑ โ†’ ์ฝ”๋“œ ๊ฒฝ๋Ÿ‰ํ™”

CSS in JS์˜ ๋‹จ์ 

  • ํ•™์Šต ๊ณก์„ ์ด ์ปค์ง
  • ๋ณ„๋„์˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์„ค์น˜ โ†’ ๋ฒˆ๋“ค ํฌ๊ธฐ ์ปค์ง
  • ์ธํ„ฐ๋ž™์…˜ํ•œ ํŽ˜์ด์ง€์ผ ๊ฒฝ์šฐ css ํŒŒ์ผ ๋”ฐ๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋น„ํ•ด ๋Š๋ฆฐ ์„ฑ๋Šฅ์„ ๋ณด์ผ ์ˆ˜ ์žˆ์Œ

CSS position ์ข…๋ฅ˜

  • static (๊ธฐ๋ณธ ๊ฐ’)
    • ํฌ์ง€์…˜์„ ์„ค์ •ํ•˜์ง€ ์•Š์•˜์„ ๋•Œ ๊ธฐ๋ณธ์ ์œผ๋กœ ์„ค์ •๋˜๋Š” ๊ฐ’
    • left, right, top, bottm์˜ ์˜ํ–ฅ x, ํ™”๋ฉด์˜ ํ๋ฆ„๋Œ€๋กœ ๋‚˜์—ด
  • relative
    • ์š”์†Œ๋ฅผ ์›๋ž˜ ์œ„์น˜์—์„œ ๋ฒ—์–ด๋‚˜๊ฒŒ ๋ฐฐ์น˜
    • ์›๋ž˜ ์œ„์น˜์˜ ๊ณต๊ฐ„์€ ์ฐจ์ง€ํ•˜์ง€๋งŒ top, right, bottm, left์— ๋”ฐ๋ผ ์ƒ๋Œ€์ ์ธ ์œ„์น˜๋กœ ์ด๋™
  • absolute
    • ๋ฐฐ์น˜ ๊ธฐ์ค€์„ ์ž์‹ ์˜ ์ƒ์œ„ ์š”์†Œ์—์„œ ์ฐพ์Œ
    • position ์†์„ฑ์ด static์ด ์•„๋‹Œ ์†์„ฑ์„ ๊ฐ€์ง„ ์š”์†Œ ์ค‘ ๊ฐ€์žฅ ๊ฐ€๊นŒ์šด ์š”์†Œ ๊ธฐ์ค€์œผ๋กœ ๋ฐฐ์น˜
    • ๋งŒ์•ฝ ์—†๋‹ค๋ฉด, body๊ฐ€ ๋ฐฐ์น˜์˜ ๊ธฐ์ค€์ด ๋จ
    • ์›๋ž˜ ์œ„์น˜์˜ ๊ณต๊ฐ„ ์ฐจ์ง€ x
  • fixed
    • ํ™”๋ฉด์„ ์Šคํฌ๋กคํ•ด๋„ ๊ณ ์ •๋˜๋Š” ๋‚ด๋น„๊ฒŒ์ด์…˜ ์ฒ˜๋Ÿผ ๋ถ€๋ชจ์š”์†Œ๊ฐ€ ์•„๋‹Œ ๋ทฐํฌํŠธ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ณ ์ •๋œ ์œ„์น˜์— ๋ฐฐ์น˜
  • sticky
    • ์›๋ž˜ ์œ„์น˜์— ์žˆ๋‹ค๊ฐ€ ํ™”๋ฉด ์Šคํฌ๋กค ์‹œ ํ™”๋ฉด์— ๋”ฐ๋ผ ์›€์ง์ž„

CSS ์ดˆ๊ธฐํ™”์˜ ํ•„์š”์„ฑ

reset CSS

์›น ๋ธŒ๋ผ์šฐ์ €๋งˆ๋‹ค default ๊ฐ’์œผ๋กœ ์Šคํƒ€์ผ์ด ์•Œ์•„์„œ ์ ์šฉ๋จ

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}