[DOM] Found 3 elements with non-unique id #input

<div class="card-content" on-keypress="_keyHandler">
        <paper-input id="login" label="[[i18n('uid')]]"></paper-input>
        <paper-input id="pwd" label="[[i18n('pwd')]]" type="password"></paper-input>
        <paper-input id="server" label="[[i18n('server')]]"></paper-input>
    </div>