.collapsible {
	background-color: #777;
	color: white;
	cursor: pointer;
	padding: 16px;
	width: 100%;
	border: none;
	text-align: left;
	outline: none;
	font-size: 14px;
	border-radius: 10px;
  }
  
  .active, .collapsible:hover {
	background-color: #555;
  }
  
  .collapsible:after {
	content: '\002B';
	color: white;
	font-weight: bold;
	float: right;
	margin-left: 5px;
  }
  
  .active:after {
	content: "\2212";
  }
  
  .content {
	padding: 0 18px;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.2s ease-out;
	background-color: #f1f1f1;
  }