demo.css

body {
	background-color: #BFE6E8;
	color: #333;
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	font-size: 16px;
	padding: 0;
	margin: 0;
}

a {
	color: #1a00f2;
	-moz-transition: color .2s;
	-webkit-transition: color .2s;
	transition: color .2s;
}

a:hover {
	color: #1500bf;
}

.wrapper {
	width: 800px;
	margin: 20px auto;
	padding: 30px;
	margin-top: 20px;
	background-color: #E7FBFF;
	overflow: hidden;
	border-radius: 10px;
}

h1, h2, legend {
	font-family: 'Vollkorn', serif;
	font-weight: normal;
}

h1 {
	font-size: 40px;
	margin: 0;
	color: #3D26FF;
}

.credit {
	color: #666;
	text-decoration: none;
	display: block;
	text-align: center;
	margin-top: 50px;
}

form {
	overflow: hidden; /* Clear floats and hide checkboxes/radio buttons (see below) */
	margin-left: -5%; /* Offset the margin of the leftmost fieldset */
}

fieldset {
	width: 45%;
	float: left;
	border: none;
	padding: 0;
	margin: 0 0 2.5% 5%;
}

.lead {
	font-size: 20px;
	margin-top: 0px;
	margin-bottom: 30px;
}

legend {
	font-size: 26px;
	color: #E8169B;
}

/* Custom checkboxes & labels */

input[type="radio"], input[type="checkbox"] {
	/* Hide checkbox/radio button.
	** Using display: none or visibility: hidden will make old IE ignore the checkboxes. */
	position: absolute;
	left: -9999px;
	margin: 0;
}

label {
	cursor: pointer;
	font-size: 20px;
	display: block;
	height: 33px;
	margin: 10px 0;
	line-height: 1.6;
	text-indent: 5px;
}

input[type="radio"] + label {
	background: transparent url("img/radios.png") no-repeat 0 0;
	padding-left: 40px;
}

input[type="radio"] + label:hover {
	background-position: 0 -128px;
}

input[type="radio"]:checked + label {
	background-position: 0 -257px;
}

input[type="radio"].checked + label {
	background-position: 0 -257px;
}

input[type="radio"]:checked + label:hover {
	background-position: 0 -385px;
}

input[type="radio"].checked + label:hover {
	background-position: 0 -385px;
}

input[type="checkbox"] + label {
	background: transparent url("img/checkboxes.png") no-repeat 0 0;
	padding-left: 40px;
}

input[type="checkbox"] + label:hover {
	background-position: 0 -130px;
}

input[type="checkbox"]:checked + label {
	background-position: 0 -260px;
}

input[type="checkbox"].checked + label {
	background-position: 0 -260px;
}

input[type="checkbox"]:checked + label:hover {
	background-position: 0 -390px;
}

input[type="checkbox"].checked + label:hover {
	background-position: 0 -390px;
}

/* Buttons */

.btn-container {
	clear: both;
	overflow: hidden;
	text-align: center;
	margin: 25px auto;
}

.btn {
	display: inline-block;
	width: 30%;
	line-height: 1.76;
	padding: 12px 20px 8px 20px;
	border-radius: 5px;
	color: #fff;
	background-color: #3D26FF;
	font-family: 'Vollkorn', serif;
	text-decoration: none;
	font-size: 26px;
	-moz-transition: background-color .2s;
	-webkit-transition: background-color .2s;
	transition: background-color .2s;
}

.btn-container .btn:first-child {
	margin-right: 50px;
}

.btn:hover {
	background-color: #1a00f2;	
	color: #fff;
}

.btn-secondary {
	background-color: #E8169B;
	
}

.btn-secondary:hover {
	background-color: #b9127c;
}