body {
	background: #222;
	color: #fff;
	text-align: center;
	padding-top: 4em;
  font-family: 'Arial';
}

label {
	display: block;
	margin-bottom: 2em;
}

.input_field {
	height: 30px;
	width: 300px;
	padding-left: 1em;
	margin-bottom: 2em;
}

#demander {
	width: 300px;
	height: 40px;
	font-size: 16px;
	background: #c00;
	border: none;
	border-radius: 7px;
	color: #fff;
	margin-bottom: 2em;
}

.err_msg {
	width: 50%;
	text-align: center;
	margin: auto;
	background: #efefef;
	padding: 2em;
	border-radius: 5px;
	color: #000;
}