my_blog/public/css/pong_settings.css

fieldset {
	width: min-content;
	margin-left: auto;
	margin-right: auto;
}
fieldset > summary {
	text-align:center;
}
fieldset > div {
	display: grid;
	grid-gap: 5px;
	grid-template-columns: max-content min-content;
}
fieldset > div > label {
	justify-self: right;
}