message: Group: nested Group logic
diff: padding-bottom: 8px;
  }
  -.Group--sizeX-regular .Group__inner {
  +.Group--sizeX-regular > .Group__inner {
  padding: 8px;
  }
  -.Group--card .Group__inner {
  +.Group--card > .Group__inner {
  background: var(--modal_card_background);
  border-radius: 8px;
  box-shadow: inset 0 0 0 var(--thin-border) var(--input_border);
  margin-top: -16px;
  }
  -.Group--card .Group__inner > .Header:first-child,
  -.Group--card .Group__inner > .Tabs:first-child {
  +.Group--card > .Group__inner > .Header:first-child,
  +.Group--card > .Group__inner > .Tabs:first-child {
  margin-top: -4px;
  }
  -.Group--plain .Group__separator {
  +.Group--plain > .Group__separator {
  padding-top: 8px;
  padding-bottom: 8px;
  }
  -.Group--sizeX-regular.Group--plain .Group__separator {
  +.Group--sizeX-regular.Group--plain > .Group__separator {
  padding: 8px;
  }
  -.Group:last-of-type .Group__separator {
  +.Group:last-of-type > .Group__separator {
  display: none;
  }
  -.Group:last-of-type .Group__separator--force,
  -.Group--sizeX-regular.Group--card:last-of-type .Group__separator {
  +.Group:last-of-type > .Group__separator--force,
  +.Group--sizeX-regular.Group--card:last-of-type > .Group__separator {
  display: block;
  }
  color: var(--text_secondary);
  }
  +.Group .Group > .Group__inner {
  + padding-left: 0;
  + padding-right: 0;
  +}
  +
  +.Group .Group > .Group__separator {
  + padding-left: 0;
  + padding-right: 0;
  +}
  +
  +.Group .Group:first-of-type > .Group__inner {
  + padding-top: 0;
  +}
  +
  +.Group .Group:last-of-type > .Group__inner {
  + padding-bottom: 0;
  +}
  +
  /* iOS */
  .Group--ios .Group__description {
  