Create Background with CSS

Here is some CSS that I’ve used to put a progress bar at the top of the screen:

<!-- Progress Bar -->
<pre><span><style>
	#app-root div[opacity='1'] {
	content: ""; 
	color: transparent; 
	display: block;
	height: 45px;
	background-image: url("IMAGE_URL");
	background-size: 260px 20px;
	background-repeat: no-repeat;
	background-position: 55% 45%;
}

Replace IMAGE_URL with a pointer to the image you want to use.
You may need to fiddle with it a bit for your specific use case.

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