jellyfin-web/src/addserver.html

<div data-role="page" class="page standalonePage">
    <div class="padded-left padded-right padded-bottom-page">
        <form class="manualServerForm" style="margin: 0 auto;">
            <h1 style="text-align: left;">${HeaderConnectToServer}</h1>
            <div class="inputContainer">
                <input is="emby-input" type="text" id="txtServerHost" required="required" label="${LabelServerHost}" />
                <div class="fieldDescription" style="text-align: left;">${LabelServerHostHelp}</div>
            </div>
            <br />
            <div class="inputContainer">
                <input is="emby-input" type="number" id="txtServerPort" step="1" min="0" value="8096" label="${LabelServerPort}" />
            </div>
            <br />
            <button is="emby-button" type="submit" class="raised button-submit block">
                <span>${ButtonConnect}</span>
            </button>
            <button is="emby-button" type="button" class="raised button-cancel block btnCancelManualServer">
                <span>${ButtonCancel}</span>
            </button>
        </form>
    </div>
</div>