Transparent AppBar in material-ui (React) : <p>Is there a way to change the background property of my material-ui <code>AppBar</code> component to transparent without having to actually change the CSS?</p>

<p>I've tried the opacity property, but that reduces the opacity of everything within the component it seems.</p>

<p>Below is an example of what I mean on Stripe's website.</p>

<p><a href="https://i.stack.imgur.com/UsSR0.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/UsSR0.jpg" alt="enter image description here"></a></p>
