div.tabbed {
  background: #eeeeee;
  padding: 10px;
  border-radius: 8px;
  width: 300px;
}

div.tabbed-title {
  display: inline-block;
  background: #aabbff;
  padding: 6px;
  padding-bottom: 2px;
  border-radius: 6px 6px 0 0;
}

div.tabbed-body {
  background: #89d;
  padding: 6px;
  border-radius: 0 8px 8px 8px;
}