<h2>Overview:</h2>
<p>Polymer is a library that allows you to build encapsulated and reusable Web Components for web applications. It simplifies the process of creating custom HTML elements and provides compatibility for different browsers through the use of polyfills. Polymer 3.0 is the current stable version and offers interoperability with LitElement, a new Web Component base class.</p>
<h2>Features:</h2>
<ul>
<li>Build encapsulated and reusable Web Components</li>
<li>Interoperability with LitElement for easy migration</li>
<li>Compatibility with Safari, Chrome, Firefox, Edge, and IE11 through the use of polyfills</li>
<li>Easy to use by importing the component's definition and using it like any other HTML element</li>
</ul>
