<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/latest/css/bootstrap.min.css">
<script src="//code.jquery.com/jquery.min.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/latest/js/bootstrap.min.js"></script>
<div class="well">기본 Well</div>
<div class="well well-sm">작은 Well</div>
<div class="well well-lg">큰 Well</div>
.well {
min-height: 20px;
padding: 19px;
margin-bottom: 20px;
background-color: #f5f5f5;
border: 1px solid #e3e3e3;
border-radius: 4px;
box-shadow: inset 0 1px 1px rgba(0,0,0,.05);
}
