3 `<paper-tooltip>` is a label that appears on hover and focus when the user
4 hovers over an element with the cursor or with the keyboard. It will be centered
5 to an anchor element specified in the `for` attribute, or, if that doesn't exist,
6 centered to the parent node containing it.
10 <div style="display:inline-block">
11 <button>Click me!</button>
12 <paper-tooltip>Tooltip text</paper-tooltip>
15 <button id="btn">Click me!</button>
16 <paper-tooltip for="btn">Tooltip text</paper-tooltip>
21 The following custom properties and mixins are available for styling:
23 Custom property | Description | Default
24 ----------------|-------------|----------
25 `--paper-tooltip-background` | The background color of the tooltip | `#616161`
26 `--paper-tooltip-opacity` | The opacity of the tooltip | `0.9`
27 `--paper-tooltip-text-color` | The text color of the tooltip | `white`
28 `--paper-tooltip` | Mixin applied to the tooltip | `{}`