Svelte with MDC Button.

svelte-mdc-button.html

<link rel="stylesheet" href="https://unpkg.com/material-components-web@latest/dist/material-components-web.min.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">

<p>
	<button class="mdc-button mdc-button--raised">
		Raised Button
	</button>
</p>

<p>
	<button class="mdc-button mdc-button--unelevated">
		Unelevated Button
	</button>
</p>

<p>
	<button class="mdc-button">
		<span class="mdc-button__label">Label Button</span>
	</button>
</p>

<p>
	<button class="mdc-button mdc-button--raised">
		<i class="material-icons mdc-button__icon" aria-hidden="true">favorite</i>
		<span class="mdc-button__label">Button</span>
	</button>
</p>