     | Adds a left margin of `64px`.
`bottom-item`        | Sticks the element to the bottom of the toolbar.
`top-item`           | Sticks the element to the top of the toolbar.

### Styling

Custom property              | Description                  | Default
-----------------------------|------------------------------|-----------------------
`--app-toolbar-font-size`    | Toolbar font size            | 20px

@group App Elements
@element app-toolbar
@demo app-toolbar/demo/index.html
-->

<dom-module id="a