iToggle.css

input[type="checkbox"].itoggle {
	max-height: 0;
	max-width: 0;
	opacity: 0;
}

input[type="checkbox"].itoggle + label {
	display: block;
	cursor: pointer;
	position: relative;
	box-shadow: inset 0 0 0px 1px #d5d5d5;
	text-indent: -5000px;
	height: 20px;
	width: 35px;
	border-radius: 15px;
}

input[type="checkbox"].itoggle + label:before {
	content: "";
	position: absolute;
	display: block;
	height: 20px;
	width: 35px;
	top: 0;
	left: 0;
	border-radius: 50px;
	background: #c2c7cc;
	transition: .25s ease-in-out;
	-webkit-transition: .25s ease-in-out;
	-moz-transition: .25s ease-in-out;
}

input[type="checkbox"].itoggle + label:after {
	content: "";
	position: absolute;
	display: block;
	width: 17px;
	top: 1px;
	left: 1px;
	bottom: 1px;
	border-radius: 8px;
	background: #fafafa;
	-webkit-box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.25);
	box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.25);
	transition: .25s ease-in-out;
	-webkit-transition: .25s ease-in-out;
	-moz-transition: .25s ease-in-out;
}

input[type="checkbox"].itoggle:checked + label:before {
	width: 35px;
	background: #53d76a;
}

input[type="checkbox"].itoggle:checked + label:after {
	left: 16px;
}