Template:Header tabs memory/styles.css

.header-tab-button-container {
	display: flex;
	justify-content: center;
}

.header-tab-button {
	width: 100px;
	padding: .25em;
	text-align: center;
	margin: 4px;
	background: #eee;
	border: 1px solid #ccc;
	border-radius: 5px;
}

.header-tab-selected {
	background: lightblue;
	border: 2px solid skyblue;
}