body, input {
	font-size: 20px;
}

#ui {
	text-align: center;
	padding-top: 20px;
}

#iri {
	width: 500px;
}

.valid {
	color: #0a0;
}
.invalid {
	color: #f00;
	background-color: #fdd;
	border-left: 0.5em solid #f00;
	padding-left: 1em;
}