.arrow-r {
	width: 0;
	height: 0;
	border-top: 5px solid transparent;
	border-bottom: 5px solid transparent;
	border-left: 5px solid #444;
	margin-bottom: 1%;
	margin-right: 7px;
	margin-left: 3px;
	display: inline-block;
}

.arrow-d {
	width: 0;
	height: 0;
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	border-top: 5px solid #444;
	margin-bottom: 6px;
	margin-right: 5px;
	display: inline-block;
}

.collapse-container>:nth-child(odd) {
	padding: 5px;
    background-color: gray;
    background-image: linear-gradient(bottom, gray 14%, #969696 70%);
    background-image: -o-linear-gradient(bottom, gray 14%, #969696 70%);
    background-image: -moz-linear-gradient(bottom, gray 14%, #969696 70%);
    background-image: -webkit-linear-gradient(bottom, gray 14%, #969696 70%);
    background-image: -ms-linear-gradient(bottom, gray 14%, #969696 70%);
    border: 1px solid black;
    margin: auto;
}
.collapse-container>:nth-child(even) {
	background-color: white;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	border: 1px solid black;
}
.collapse-container>:nth-child(even) p {
    padding: 0px 5px;
}

.collapse-container>:nth-child(odd):hover {
	cursor: pointer;
	-moz-user-select: none; /* mozilla browsers */
    -khtml-user-select: none; /* webkit browsers */
}