HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>按钮 - 按钮组</title>
<link rel="stylesheet" href="../assets/mdui-v0.3.0/css/mdui.min.css"/>
</head>
<body class="mdui-theme-primary-indigo mdui-theme-accent-pink">
<div class="mdui-container mdui-p-t-5">
<div class="mdui-btn-group">
<button type="button" class="mdui-btn"><i class="mdui-icon material-icons">format_align_left</i></button>
<button type="button" class="mdui-btn mdui-btn-active"><i class="mdui-icon material-icons">format_align_center</i></button>
<button type="button" class="mdui-btn"><i class="mdui-icon material-icons">format_align_right</i></button>
<button type="button" class="mdui-btn"><i class="mdui-icon material-icons">format_align_justify</i></button>
</div>
</div>
<script src="../assets/mdui-v0.3.0/js/mdui.min.js"></script>
</body>
</html>