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+<h2 id="introduction">Introduction</h2>
+<p>The Material Design Lite (MDL) <strong>tooltip</strong> component is an enhanced version of the standard HTML tooltip as produced by the <code>title</code> attribute. A tooltip consists of text and/or an image that clearly communicates additional information about an element when the user hovers over or, in a touch-based UI, touches the element. The MDL tooltip component is pre-styled (colors, fonts, and other settings are contained in <em>material.min.css</em>) to provide a vivid, attractive visual element that displays related but typically non-essential content, e.g., a definition, clarification, or brief instruction.</p>
+<p>Tooltips are a ubiquitous feature of most user interfaces, regardless of a site's content or function. Their design and use is an important factor in the overall user experience. See the tooltip component's <a href="http://www.google.com/design/spec/components/tooltips.html">Material Design specifications page</a> for details.</p>
+<h3 id="to-include-an-mdl-tooltip-component-">To include an MDL <strong>tooltip</strong> component:</h3>
+<p> 1. Code an element, such as a <code><div></code>, <code><p></code>, or <code><span></code>, and style it as desired; this will be the tooltip's target. Include an <code>id</code> attribute and unique value to link the container to its tooltip.</p>
+<pre><code class="lang-html"><p id="tt1">HTML</p>
+</code></pre>
+<p> 2. Following the target element, code a second element, such as a <code><div></code>, <code><p></code>, or <code><span></code>; this will be the tooltip itself. Include a <code>for</code> (or <code>data-mdl-for</code>) attribute whose value matches that of the target's <code>id</code>.</p>
+<pre><code class="lang-html"><p id="tt1">HTML</p>
+<span for="tt1">HyperText Markup Language</span>
+</code></pre>
+<p> 3. Add one or more MDL classes, separated by spaces, to the tooltip element using the <code>class</code> attribute.</p>
+<pre><code class="lang-html"><p id="tt1">HTML</p>
+<span for="tt1" class="mdl-tooltip">HyperText Markup Language</span>
+</code></pre>
+<p>The tooltip component is ready for use.</p>
+<h4 id="examples">Examples</h4>
+<p>A target with a simple text tooltip.</p>
+<pre><code class="lang-html"><p>HTML is related to but different from <span id="xml"><i>XML</i></span>.</p>
+<span class="mdl-tooltip" for="xml">eXtensible Markup Language</span>
+</code></pre>
+<p>A target with "rich" (containing HTML markup) tooltip text.</p>
+<pre><code class="lang-html"><p>HTML is related to but different from <span id="xml"><i>XML</i></span>.</p>
+<span class="mdl-tooltip" for="xml">e<b>X</b>tensible <b>M</b>arkup <b>L</b>anguage</span>
+</code></pre>
+<p>A target with a long text tooltip that automatically wraps.</p>
+<pre><code class="lang-html"><p>HTML is related to but different from <span id="xml"><i>XML</i></span>.</p>
+<span class="mdl-tooltip" for="xml">XML is an acronym for eXtensible Markup Language</span>
+</code></pre>
+<p>A target with tooltip text in a larger font size.</p>
+<pre><code class="lang-html"><p>HTML is related to but different from <span id="xml"><i>XML</i></span>.</p>
+<span class="mdl-tooltip mdl-tooltip--large" for="xml">eXtensible Markup Language</span>
+</code></pre>
+<p>A target with a tooltip containing both an image and text.</p>
+<pre><code class="lang-html"><p>HTML is related to but different from <span id="xml"><i>XML</i></span>.</p>
+<span class="mdl-tooltip" for="xml">
+<img src="xml-logo-small.png" width="20" height="10"> eXtensible Markup Language</span>
+</code></pre>
+<h2 id="configuration-options">Configuration options</h2>
+<p>The MDL CSS classes apply various predefined visual enhancements to the tooltip. The table below lists the available classes and their effects.</p>
+<table>
+<thead>
+<tr>
+<th>MDL class</th>
+<th>Effect</th>
+<th>Remarks</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td><code>mdl-tooltip</code></td>
+<td>Defines a container as an MDL tooltip</td>
+<td>Required on tooltip container element</td>
+</tr>
+<tr>
+<td><code>mdl-tooltip--large</code></td>
+<td>Applies large-font effect</td>
+<td>Optional; goes on tooltip container element</td>
+</tr>
+<tr>
+<td><code>mdl-tooltip--left</code></td>
+<td>Positions the tooltip to the left of the target</td>
+<td>Optional; goes on tooltip container element</td>
+</tr>
+<tr>
+<td><code>mdl-tooltip--right</code></td>
+<td>Positions the tooltip to the right of the target</td>
+<td>Optional; goes on tooltip container element</td>
+</tr>
+<tr>
+<td><code>mdl-tooltip--top</code></td>
+<td>Positions the tooltip to the top of the target</td>
+<td>Optional; goes on tooltip container element</td>
+</tr>
+<tr>
+<td><code>mdl-tooltip--bottom</code></td>
+<td>Positions the tooltip to the bottom of the target</td>
+<td>Optional; goes on tooltip container element</td>
+</tr>
+</tbody>
+</table>
+
+