jellyfin-web/dashboard-ui/components/guestinviter/connectlink.template.html

<div class="formDialogHeader" style="margin:0 0 2em;">
    <button is="paper-icon-button-light" class="btnCancel autoSize" tabindex="-1">
        <i class="md-icon">&#xE5C4;</i>
    </button>
    <h3 class="formDialogHeaderTitle">
        Emby Connect
    </h3>
</div>

<div class="formDialogContent smoothScrollY">
    <form class="addUserForm dialogContentInner dialog-content-centered">

        <p style="color: orangered;">${MessageConnectAccountRequiredToInviteGuest}</p>

        <div class="inputContainer">
            <input is="emby-input" type="text" id="txtConnectUsername" value="" label="${LabelConnectUserName}" required />
            <div class="fieldDescription">
                <div>${LabelConnectUserNameHelp}</div>
                <div style="margin-top: .25em;">
                    <a href="http://emby.media/connect" target="_blank">${ButtonLearnMoreAboutEmbyConnect}</a>
                </div>
            </div>
        </div>

        <div class="formDialogFooter">
            <button is="emby-button" type="submit" class="raised button-submit block formDialogFooterItem">
                <span>${ButtonSendInvitation}</span>
            </button>
        </div>

    </form>
</div>