html * {
	box-sizing: border-box
}

body {
	font-family: sytem-ui, sans-serif;
	font-size: 100%;
	line-height: 140%;
}

p:nth-child(1) {
	outline: 1px dotted #888;
	width: 50%;
	margin: 2em;
	border: 1em solid #aaa;
	padding: 2em;
}

#first-form {
	border: 1px soliid #888;
	padding: 1em;
}

#first-form fieldset {
	Width: 50%;
	clear:both;
	border-radius: 6px;
}

#first-form label{
	display: inline-block;
	width: 15em;
}

#first-form input.submit {
	border-radius: 0;
	border-width: 10px;
	border-style: solid;
	border: 1px solid #aaa;
	background: green;
	color: white;
	padding .2em;
}