<!DOCTYPE html>
<html lang="ko">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<style>
.container .row > div {
padding: 20px;
border: 1px solid gray;
}
</style>
</head>
<body>
<div class="container">
<h1>부트스트랩 스타일</h1>
<h2>.row .col-xs-*, .col-sm-*, .col-md-*, .col-lg-*</h2>
<div class="row">
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
<div class="col-xs-1">1</div>
</div>
<hr/>
<div class="row">
<div class="col-xs-2">2</div>
<div class="col-xs-2">2</div>
<div class="col-xs-2">2</div>
<div class="col-xs-2">2</div>
<div class="col-xs-2">2</div>
<div class="col-xs-2">2</div>
</div>
<hr/>
<div class="row">
<div class="col-xs-3">3
</div>
<div class="col-xs-6">6
</div>
<div class="col-xs-3">3
<h3>배너</h3>
<p>이벤트</p>
<p>이벤트</p>
<p>이벤트</p>
</div>
</div>
</div>
</body>
</html>