vscode-extension-samples/webview-codicons-sample/media/styles.css

html {
	box-sizing: border-box;
	font-size: 16px;
}

*, *:before, *:after {
	box-sizing: inherit;
}

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
	margin: 0;
	padding: 0;
	font-weight: normal;
}

ol, ul {
	list-style: none;
}

img {
	max-width: 100%;
	height: auto;
}

/* Demo Styles */

body {
	font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;
	margin: 0;
	padding: 10px 20px;
	text-align: center;
	color: var(--vscode-foreground);
	background-color: var(--vscode-editor-background);
}

h1 {
	font-weight: bold;
	margin: 24px;
}

#icons {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
    justify-content: center;
}

#icons .icon {
	width: 140px;
	padding: 20px;
	font-size: 14px;
	display: flex;
	flex-direction: column;
	text-align: center;
}

#icons .icon .codicon {
	font-size: 32px;
	padding-bottom: 16px;
}