.collapsible-col {
  /* background-color: green; */
  border-radius: 5px 5px 5px 5px;;
  color: white;
  cursor: pointer;
  width: 100%;
  text-align: left;
  outline: none;
}
  
.collapsible-col:after {
  content: '\002B';
  color: #eee;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}
  
.active-col:after {
  content: "\2212";
 }
  
.content-col {
   padding: 0 18px;
  border-radius: 5px 5px 15px 15px;;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
  background-color: #f1f1f1;
}