HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>浮动操作按钮</title>
<link rel="stylesheet" href="https://cdn.w3cbus.com/library/mdui/1.0.2/css/mdui.min.css"/>
</head>
<body class="mdui-theme-primary-indigo mdui-theme-accent-pink">
<div class="mdui-container">
<button class="mdui-fab mdui-ripple"><i class="mdui-icon material-icons">add</i></button>
<button class="mdui-fab mdui-color-theme-accent mdui-ripple"><i class="mdui-icon material-icons">add</i></button>
</div>
<script src="https://cdn.w3cbus.com/library/mdui/1.0.2/js/mdui.min.js"></script>
</body>
</html>