p5.js-web-editor/client/styles/components/_console.scss

.preview-console {
	position: fixed;
	width:100%;
	height:60px;
	right:0px;
	bottom: 0px;
	background:grey;
	z-index:1000;

	& > {
		position:relative;
		text-align:left;
	}

	// assign styles to different types of console messages
	.log {
		color: black;
	}

	.error {
		color: red;
	}

	.warn {
		color: yellow;
	}
}