body {
padding: 10px;
background: #ffffff;
}

h1 {
	text-align: center;
	font-size: 1.3em;
	margin: 0 0 .5em;
	padding-top: 1em;
}

h2 {
	font-size: 1em;
}

a {
	color: #333;
	text-decoration: none;
	padding: .1em .2em;
}

#footer {
	margin-top: 2em;
	text-align: center;
}

textarea {
	border: 1.5px solid black;
	background: #e7f2fd;
	width: 100%;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	display: block;
	margin: 1em 0 .5em;
	padding: .7em;
	resize: vertical;
	min-height: 9.5em;
	outline-color: #e5254d;
	border-radius: 5px;
	font-size: 110%;
}

code {
	font-size: .9em;
	white-space: pre;
	white-space: pre-wrap;
	word-wrap: break-word;
}

.invalid, :invalid {
	border-color: red;
	background: #ffb6c1;
}