body {
	font-family: system-ui,sans-serif;
	font-size: 100%;
	line-height: 135%;
}


.first-form fieldset {
	margin: 1.35rem 0 1.35rem 0;
	border-radius: 8px;
}

.first-form fieldset legend {
	background: yellow;
	padding: 0 0.5em;
}