body {
    font-size: 1em;
    font-family: Georgia, "Times New Roman", serif;
}

.ac-container{
	width: 400px;
	margin: 10px auto 30px auto;
}

.ac-container label{
	font-family: Helvetica, Arial, sans-serif;
	padding: 5px 20px;
	z-index: 20;
	display: block;
	height: 30px;
	cursor: pointer;
	color: #777;
    background-color: lightgreen;
    border: 1px solid black;
	font-size: 1.5em;
}

.ac-container label:hover{
	background: #fff;
}

.ac-container input:checked + label,
.ac-container input:checked + label:hover{
	background: #c6e1ec;
	color: #3d7489;
}

.ac-container input{
	display: none;
}

.ac-container article{
	background: rgba(255, 255, 255, 0.5);
	margin-top: -1px;
	overflow: hidden;
	height: 0px;
	position: relative;
	z-index: 10;
	transition:
		height 0.3s ease-in-out,
		box-shadow 0.6s linear;
}

.ac-container input:checked ~ article{
	transition:
		height 0.5s ease-in-out,
		box-shadow 0.1s linear;
	box-shadow: 0px 0px 0px 1px rgba(155,155,155,0.3);
}

.ac-container input:checked ~ article.ac-small{
	height: 140px;
}
.ac-container input:checked ~ article.ac-medium{
	height: 180px;
}
.ac-container input:checked ~ article.ac-large{
	height: 250px;
}

p {padding: 10px}