6-5. CSS 3๋จ ๋ ์ด์์ ๋ง๋ค๊ธฐ_์ฐ์ต๋ฌธ์ 1,2
* ์ฐ์ต๋ฌธ์ 1 html ์ฌ์ดํธ ์ ๋ชฉ ์ฌ์ด๋๋ฐ ๋ณธ๋ฌธ ์ฌ์ด๋๋ฐ ํธํฐ CSS * { margin:0; padding:0; box-sizing: border-box; } #container { width: 1200px; margin: 20px auto; } #header { width: 100%; height: 120px; background-color: #acacac; } #left-sidebar { width: 250px; height: 600px; float: left; background-color:#e9e9e9; } #contents { width: 800px; height: 600px; float: left; background-color:#f7f7f7; } #right-sidebar { width..
2021.10.12