jellyfin-web/dashboard-ui/components/medialibrarycreator/medialibrarycreator.template.html

<div class="dialogHeader" style="margin:0 0 2em;">
    <button is="paper-icon-button-light" class="btnCancel" tabindex="-1"><iron-icon icon="arrow-back"></iron-icon></button>
    <div class="dialogHeaderTitle">
        ${ButtonAddMediaLibrary}
    </div>
</div>

<form style="margin:auto;">
    <div id="fldCollectionType" class="selectContainer">
        <select is="emby-select" id="selectCollectionType" data-mini="true" required="required" label="${LabelContentType}"></select>
        <div class="collectionTypeFieldDescription fieldDescription">
        </div>
    </div>
    <div class="inputContainer">
        <input is="emby-input" type="text" id="txtValue" required="required" label="${LabelDisplayName}" />
    </div>
    <div>
        <h1 style="display:inline-block;vertical-align:middle;">${HeadersFolders}</h1>
        <button is="emby-button" type="button" class="raised btnAddFolder submit mini" style="margin-left:1em;" title="${ButtonAdd}">
            <iron-icon icon="add"></iron-icon>
            <span>${ButtonAdd}</span>
        </button>
    </div>
    <div class="paperList folderList hide" style="padding: .7em 0;"></div>

    <br />
    <div>
        <button is="emby-button" type="submit" class="raised submit block">
            <iron-icon icon="check"></iron-icon>
            <span>${ButtonOk}</span>
        </button>
    </div>
</form>