<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="bootstrap/css/bootstrap.css">
<link rel="stylesheet" href="bootstrap/css/bootstrap-theme.css">
<script src="bootstrap/js/jquery-3.2.1.js"></script>
<script src="bootstrap/js/bootstrap.js"></script>
<style>
</style>
</head>
<body>
<div class="container-fluid">
<!--按钮的颜色大小-->
<button class="btn btn-primary btn-xs">增加</button>
<button class="btn btn-warning btn-sm">增加</button>
<button class="btn btn-success btn-md">增加</button>
<input class="btn btn-danger btn-lg" type="button" value="删除">
<a class="btn btn-default" href="#">查找</a><br>
<!--按钮组-->
<div class="btn-group">
<button class="btn btn-success">增加</button>
<button class="btn btn-success">增加</button>
<button class="btn btn-success">增加</button>
</div>
</div>
</body>
</html>
