.panel {
	margin-bottom:4px;
}

.panel-heading {
	padding:10px;
	display: inline-block;
	width: 100%;
	background-color: white;
	border: 1px solid #f0f0f0;
	position: relative;
	cursor: pointer;
}

.panel-heading a {
    text-decoration: none;
    color:#202020;
    vertical-align: bottom;
}

.panel-heading a:after {
    content: "+";
    position: absolute;
    right: 15px;
    font-size: 20px;
    font-weight: bold;
    top: 50%;
    line-height: 1;
    margin-top: -10px;
}

.panel-heading:hover, .panel-heading-hover {
    background-color: #d4d4d4;
    border: 1px solid #d4d4d4;
}

.panel-heading-hover a:after {
    content: "-";
    position: absolute;
    right: 15px;
    font-size: 20px;
    font-weight: bold;
    top: 50%;
    line-height: 1;
    margin-top: -10px;
}

.panel-body{
	border: 1px solid #f0f0f0;
	background: white;
	padding: 0 10px;
	width: 100%;
}

.hidden-element {
	-moz-transition: height .3s;
	-ms-transition: height .3s;
	-o-transition: height .3s;
	-webkit-transition: height .3s;
	transition: height .3s;
	height: 0;
	overflow: hidden;
}