■ 構文
* table-striped : テーブルの1行間隔で背景色を変える
* table-bordered : テーブルに枠線を追加
* table-hover : テーブルにマウスオーバーした時にその行の色が変わる
* table-condensed : テーブルのpadding値を通常の半分にする
■ サンプル
<!doctype html>
<html lang="jp">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<!-- Table -->
<div class="container">
<table class="table table-striped table-bordered table-hover table-condensed">
<thead class="thead-dark">
<tr><th>ID</th><th>Name</th></tr>
</thead>
<tbody>
<tr><td>1</td><td>Mike</td></tr>
<tr
><td>2</td><td>Smith</td></tr>
<tr class="warning"><td>3</td><td>Sam</td></tr>
</tbody>
</table>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
</body>
</html>
