family: "Helvetica Neue", Arial, sans-serif;
        background-color: #f7f7f7;
    }

    code {
        margin: 15px 0;
    }
    </style>
</head>
<body>
    <nav class="v-navbar v-nav-md v-bg-warning">
        <div class="v-nav-left">
            <div class="v-nav-brand">logomark</div>
        </div>
        <div class="v-nav-right">
            <button class="v-nav-toggle">
                <span class="v-sr-only">Toggle navigation</span>
                <i class="v-icon-bar"></i>
                <i clas