We don't need full layout in this file because this page will be parsed with Ajax. It is just enough to put here .navbar and .page

 Top Navbar
<div class="navbar">
    <div class="navbar-inner">
        <div class="left">
            <a href="index.html" class="link">
                <i class="f7-icons">home_fill</i>
            </a>
        </div>
        <div class="center sliding">Instellingen</div>
        <div class="right">
            <a href="#" class="link icon-only open-panel"><i class="icon icon-bars"></i></a>
        </div>
    </div>
</div>
<div class="pages">
    <div data-page="settings" class="page">
        <div class="page-content">
            <div class="content-block-title">Vertanding lijmkam</div>
            <div class="list-block">
                <ul>
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Pasta</div>
                                <div class="item-input">
                                    <select id="userPastaTrowel">
                                        <option value=""></option>
                                        <option value="4">4 mm</option>
                                        <option value="6">6 mm</option>
                                        <option value="8">8 mm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Poeder</div>
                                <div class="item-input">
                                    <select id="userPowderTrowel">
                                        <option value=""></option>
                                        <option value="6">6 mm</option>
                                        <option value="8">8 mm</option>
                                        <option value="10">10 mm</option>
                                        <option value="12">12 mm</option>
                                        <option value="15">15 mm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                </ul>
            </div>

            <div class="content-block-title">Voegmortel</div>
            <div class="list-block">
                <ul>
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Voegbreedte</div>
                                <div class="item-input">
                                    <select id="userGroutWidth">
                                        <option value=""></option>
                                        <option value="2">2 mm</option>
                                        <option value="3">3 mm</option>
                                        <option value="4">4 mm</option>
                                        <option value="5">5 mm</option>
                                        <option value="6">6 mm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Voegdiepte</div>
                                <div class="item-input">
                                    <select id="userGroutDepth">
                                        <option value=""></option>
                                        <option value="4">4 mm</option>
                                        <option value="5">5 mm</option>
                                        <option value="6">6 mm</option>
                                        <option value="7">7 mm</option>
                                        <option value="8">8 mm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Tegellengte</div>
                                <div class="item-input">
                                    <select id="userTileLength">
                                        <option value=""></option>
                                        <option value="10">10 cm</option>
                                        <option value="15">15 cm</option>
                                        <option value="20">20 cm</option>
                                        <option value="25">25 cm</option>
                                        <option value="30">30 cm</option>
                                        <option value="40">40 cm</option>
                                        <option value="45">45 cm</option>
                                        <option value="60">60 cm</option>
                                        <option value="80">80 cm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                    <li>
                        <div class="item-content">
                            <div class="item-inner">
                                <div class="item-title label">Tegelbreedte</div>
                                <div class="item-input">
                                    <select id="userTileWidth">
                                        <option value=""></option>
                                        <option value="10">10 cm</option>
                                        <option value="15">15 cm</option>
                                        <option value="20">20 cm</option>
                                        <option value="25">25 cm</option>
                                        <option value="30">30 cm</option>
                                        <option value="40">40 cm</option>
                                        <option value="45">45 cm</option>
                                        <option value="60">60 cm</option>
                                        <option value="80">80 cm</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </li>
                </ul>
            </div>


        </div>
    </div>
</div>