asset-upload-modal.underscore

<div class="upload-modal modal" style="display: none;">
    <a href="#" class="close-button"><i class="icon fa fa-times-circle" aria-hidden="true"></i> <span class="sr"><%= gettext('close') %></span></a>
    <div class="modal-body">
        <h1 class="title"><%= gettext("Upload New File") %></h1>
        <p class="file-name">
        <div class="progress-bar">
            <div class="progress-fill"></div>
        </div>
        <div class="embeddable">
            <label>URL:</label>
            <input type="text" class="embeddable-xml-input" value='' readonly>
        </div>
        <form class="file-chooser" action="asset-url"
              method="post" enctype="multipart/form-data">
            <a href="#" class="choose-file-button"><%= gettext("Choose File") %></a>
            <input type="file" class="file-input" name="file">
        </form>
    </div>
</div>