n-history id="actionHistory"></action-history>
    <div id="shell" class="vertical layout">
      <div id="toolbar" class="horizontal layout center">
        <a href="https://github.com/wiredjs/designer" target="_blank"><img class="logo" src$="[[importPath]]../images/logo100.png"></a>
        <span class="heavy flex">
            <a href="https://github.com/wiredjs/designer" target="_blank">wired designer<span class="lite"> // beta</span></a>
        </span>
        <app-controls id="appControls"></app-cont