.panel {
  padding: 0px;
  background-color: white;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}
.accordion {
  background-color: #eee;
  color: #444;
  cursor: pointer;
  padding: 18px 2%;
  width: 96%;
  text-align: left;
  border: none;
  outline: none;
  transition: 0.4s;
  font-size: 14px;
  text-transform: uppercase;
}
.active_0, .accordion:hover {
  background-color: #ccc;
}
div.accordion:after {
    content: '\002B';
    color: #777;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}
@media (max-width: 980px) {
.accordion {
  padding: 18px 5%;
  width: 90%;
}
}