::::{tab-set}
:sync-group: category

:::{tab-item} Label1
:sync: key1

Content 1
:::

:::{tab-item} Label2
:sync: key2

Content 2
:::

::::

::::{tab-set}
:sync-group: category

:::{tab-item} Label1
:sync: key1

Content 1
:::

:::{tab-item} Label2
:sync: key2

Content 2
:::

::::
