부트스트랩4버전다운(CSS,JS) -> link로 CSS 세팅 -> script로 1.제이쿼리,2.JS세팅
•제이쿼리는 따로 다운받아야함
<!DOCTYPE html>
<html lang="en">
<!-- 부트스트랩 기본세팅 -->
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>부트스트랩</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
<!-- container는 기본적을 좌우여백이있음 -->
<div class="container">
<button class="btn btn-info">버튼</button>
</div>
<!-- 부트스트랩 js링크 1.제이쿼리 2.번들(부트스트랩)-->
<script src="js/jquery-3.5.1.min.js"></script>
<script src="js/bootstrap.bundle.min.js"></script>
</body>
</html>
<!-- 기본h사용 -->
<h1>h1. Bootstrap heading</h1>
<h2>h2. Bootstrap heading</h2>
<h3>h3. Bootstrap heading</h3>
<h4>h4. Bootstrap heading</h4>
<h5>h5. Bootstrap heading</h5>
<h6>h6. Bootstrap heading</h6>
<!-- 부트스트랩 h 사용 -->
<!-- 기본 h태그랑 비슷하게 보임 -->
<p class="h1">h1. Bootstrap heading</p>
<p class="h2">h2. Bootstrap heading</p>
<p class="h3">h3. Bootstrap heading</p>
<p class="h4">h4. Bootstrap heading</p>
<p class="h5">h5. Bootstrap heading</p>
<p class="h6">h6. Bootstrap heading</p>
<!-- 부트스트랩의 큰글자 distplay -->
<!-- 부트스트랩에만 있음 h태그보다 더큼 -->
<h1 class="display-1">Display 1</h1>
<h1 class="display-2">Display 2</h1>
<h1 class="display-3">Display 3</h1>
<h1 class="display-4">Display 4</h1>
<!-- 리드 글래스 -->
<!-- 리드클래스는 문단을 강조 -->
<!-- 글자 크기와 줄간격이 커짐 -->
<p class="lead">
이것은 리드 클래스입니다
</p>
<p>이것은 p태그 입니다</p>
<blockquote class="blockquote text-center">
<p class="mb-0">>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
<blockquote class="blockquote text-left">
<p class="mb-0">>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
<blockquote class="blockquote text-right">
<p class="mb-0">>A well-known quote, contained in a blockquote element.</p>
<footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
</blockquote>
<!-- 플로트 float -->
<div class="float-left">Float left on all viewport sizes</div><br>
<div class="float-right">Float right on all viewport sizes</div><br>
<div class="float-none">Don't float on all viewport sizes</div>
<p class="text-primary">.text-primary</p>
<p class="text-secondary">.text-secondary</p>
<p class="text-success">.text-success</p>
<p class="text-danger">.text-danger</p>
<p class="text-warning">.text-warning</p>
<p class="text-info">.text-info</p>
<p class="text-light bg-dark">.text-light</p>
<p class="text-dark">.text-dark</p>
<p class="text-body">.text-body</p>
<p class="text-muted">.text-muted</p>
<p class="text-white bg-dark">.text-white</p>
<p class="text-black-50">.text-black-50</p>
<p class="text-white-50 bg-dark">.text-white-50</p>
<!-- 백그라운드 색깔 -->
<!-- p는 패딩 m은 마진 b는 buttom -->
<div class="p-3 mb-2 bg-primary text-white">.bg-primary</div>
<div class="p-3 mb-2 bg-secondary text-white">.bg-secondary</div>
<div class="p-3 mb-2 bg-success text-white">.bg-success</div>
<div class="p-3 mb-2 bg-danger text-white">.bg-danger</div>
<div class="p-3 mb-2 bg-warning text-dark">.bg-warning</div>
<div class="p-3 mb-2 bg-info text-white">.bg-info</div>
<div class="p-3 mb-2 bg-light text-dark">.bg-light</div>
<div class="p-3 mb-2 bg-dark text-white">.bg-dark</div>
<div class="p-3 mb-2 bg-white text-dark">.bg-white</div>
<div class="p-3 mb-2 bg-transparent text-dark">.bg-transparent</div>