HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>应用栏 - 透明背景</title>
<link rel="stylesheet" href="../assets/mdui-v0.4.3/css/mdui.min.css"/>
</head>
<body style="background: url('../assets/img/transparent.jpg') no-repeat">
<div class="mdui-appbar mdui-shadow-0">
<div class="mdui-toolbar mdui-text-color-white">
<a href="javascript:;" class="mdui-btn mdui-btn-icon"><i class="mdui-icon material-icons">menu</i></a>
<a href="javascript:;" class="mdui-typo-title">Title</a>
<div class="mdui-toolbar-spacer"></div>
<a href="javascript:;" class="mdui-btn mdui-btn-icon"><i class="mdui-icon material-icons">search</i></a>
<a href="javascript:;" class="mdui-btn mdui-btn-icon"><i class="mdui-icon material-icons">refresh</i></a>
<a href="javascript:;" class="mdui-btn mdui-btn-icon"><i class="mdui-icon material-icons">more_vert</i></a>
</div>
</div>
<script src="../assets/mdui-v0.4.3/js/mdui.min.js"></script>
</body>
</html>