<br>
<p>Foto do mãe</p>
 <div class="div-button">
    <!-- novo elemento! -->

    <input class="file-button" type="button">

    <!-- invisível -->

    <input class="file-chooser" type="file" accept="image/*" hidden >
    <img class="preview-img_a">
    <input type="submit" value="upload">
</div>

        <script type="text/javascript">
    const $ = document.querySelector.bind(document);

</script>