.pt-accordion-button
{
  border-radius: 0px !important;
  cursor: pointer;
  border: none;
  outline: none;
}

.pt-accordion-button:after
{
  content: '\002B';
  color: var(--navigation-header-text);
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.pt-accordian-button-active:after 
{
  content: "\2212";
}

.pt-accordian-panel
{
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms linear;
}