n.rangeSlider/css/ion.rangeSlider.skinFlat.css">
    </head>
    <body>
        <div id="main">
            <div id="viewport"></div>
            <div id="tip">
                Drag model and texture files or folder on the viewport.
                <div class="hint">
                    Supported format: FBX, DAE, OBJ, glTF2.0 <br /><br />
                    Try glTF2.0 Models from:
                    <ul>
                        <li>
                            <a href="https://sketchfab.com/features/glt