bootstrap - btn 实例

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/bootstrap.css">
<style>
.github-style .btn{ font-weight:700;}
.icon-fork{ background:url(img/fork.png) no-repeat; background-size:cover; width:12px; height:12px;}
</style>
</head>

<body style="height:2000px;">
<div class="container">
    <br>
    <input type="button" value="按钮1" class="btn btn-primary">
    <input type="button" value="按钮2" class="btn btn-primary">
    <input type="button" value="按钮3" class="btn btn-primary">
    <br><br>
    <div class="btn-group">
        <input type="button" value="按钮1" class="btn btn-primary">
        <input type="button" value="按钮2" class="btn btn-primary">
        <input type="button" value="按钮3" class="btn btn-primary">
    </div>
    <br><br>
    <div class="btn-group btn-group-justified">
        <a href="#" class="btn btn-primary">按钮1</a>
        <a href="#" class="btn btn-primary">按钮2</a>
        <a href="#" class="btn btn-primary">按钮3</a>
    </div>
    <br><br>
    <div class="btn-group btn-group-justified">
        <div class="btn-group">
            <input type="button" value="按钮1" class="btn btn-primary">
        </div>
        <div class="btn-group">
            <input type="button" value="按钮2" class="btn btn-primary">
        </div>
        <div class="btn-group">
            <input type="button" value="按钮3" class="btn btn-primary">
        </div>
    </div>
    <br><br>
    <div class="btn-group btn-group-justified">
        <div class="btn-group">
            <button class="btn btn-primary">按钮1</button>
        </div>
        <div class="btn-group">
            <button class="btn btn-primary">按钮2</button>
        </div>
        <div class="btn-group">
            <button class="btn btn-primary">按钮3</button>
        </div>
    </div>
    <br><br>
    <div class="btn-group-vertical">
        <a href="#" class="btn btn-primary">按钮1</a>
        <a href="#" class="btn btn-primary">按钮2</a>
        <a href="#" class="btn btn-primary">按钮3</a>
    </div>
    <div class="btn-group-vertical btn-group-lg">
        <a href="#" class="btn btn-primary">按钮1</a>
        <a href="#" class="btn btn-primary">按钮2</a>
        <a href="#" class="btn btn-primary">按钮3</a>
    </div>
    <div class="btn-group-vertical btn-group-sm">
        <a href="#" class="btn btn-primary">按钮1</a>
        <a href="#" class="btn btn-primary">按钮2</a>
        <a href="#" class="btn btn-primary">按钮3</a>
    </div>
    <div class="btn-group-vertical btn-group-xs">
        <a href="#" class="btn btn-primary">按钮1</a>
        <a href="#" class="btn btn-primary">按钮2</a>
        <a href="#" class="btn btn-primary">按钮3</a>
    </div>
    <br><br>
    <a href="#" class="btn btn-primary">按钮 <span class="caret"></span></a>
    <button class="btn btn-primary">按钮 <span class="caret"></span></button>
    <input type="button" value="按钮" class="btn btn-primary"><span class="caret"></span>
    <div class="btn-group">
           <a href="#" class="btn btn-primary">按钮</a>
        <a href="#" class="btn btn-primary"><span class="caret"></span></a>
    </div>
    <div class="btn-group">
           <button class="btn btn-primary">按钮</button>
        <button class="btn btn-primary"><span class="caret"></span></button>
    </div>
    <div class="btn-group dropup">
           <button class="btn btn-primary">按钮</button>
        <button class="btn btn-primary"><span class="caret"></span></button>
    </div>
    <br><br>
    <div class="github-style">
        <div class="btn-group btn-group-sm">
            <button class="btn btn-default active"><span class="glyphicon glyphicon-eye-open"></span> Watch <span class="caret"></span></button>
            <button class="btn btn-default">3,064</button>
        </div>
        <div class="btn-group btn-group-sm">
            <button class="btn btn-default active"><span class="glyphicon glyphicon-star"></span> Unstar</button>
            <button class="btn btn-default">36,296</button>
        </div>
        <div class="btn-group btn-group-sm">
            <button class="btn btn-default active"><span class="glyphicon icon-fork"></span> fork</button>
            <button class="btn btn-default">9,258</button>
        </div>
    </div>
</div>
</body>
<script src="js/jquery-1.11.1.js"></script>
<script src="js/bootstrap.js"></script>
</html>