HBM/md-components

.mdc-ExpansionPanel-previous {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.mdc-ExpansionPanel {
  background-color: white;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.24);
  transition: margin ease-in-out 200ms;
  border-radius: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  will-change: margin;
}

.mdc-ExpansionPanel + .mdc-ExpansionPanel {
  border-top: none;
}

.mdc-ExpansionPanel.is-open {
  margin-top: 16px;
  margin-bottom: 16px;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.24);
  border-radius: 2px;
  border: none;
}

.mdc-ExpansionPanel-toggle {
  display: flex;
  align-items: center;
  border: none;
  background: none;
  margin: 0;
  outline: none;
  width: 100%;
  height: 100%;
  padding: 16px;

  &:hover {
    background-color: #eee;
  }
}

.mdc-ExpansionPanel-toggle--dense {
  padding: 12px;
}

.mdc-ExpansionPanel-chevron {
  transform: rotate(90deg);
  transition: transform ease-in-out 200ms;
  fill: rgba(0, 0, 0, 0.38);
  margin-left: auto;
}

.mdc-ExpansionPanel-chevron.is-open {
  transform: rotate(-90deg);
}

.mdc-ExpansionPanel-content {
  display: none;
}

.mdc-ExpansionPanel-content.is-open {
  display: block;
}

.mdc-ExpansionPanel + .mdc-Card {
  border-top-right-radius: 0;
  border-top-left-radius: 0;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.24);
}

.mdc-ExpansionPanel.is-open + .mdc-Card {
  border-top-right-radius: 2px;
  border-top-left-radius: 2px;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.24);
}