.wdk-CollapsibleSectionHeader {
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: flex-start;
}

.wdk-CollapsibleSectionHeader:before {
  content: '\f0d7';
  font-family: FontAwesome;
  font-size: 1.2em;
  margin-right: .5ex;
  line-height: 1.2em;
}

.wdk-CollapsibleSectionHeader__collapsed:before {
  content: '\f0da';
}

.wdk-CollapsibleSectionContent__collapsed {
  display: none;
}