This template is used for custom headers.
Usage
{{H2|Appearance|part=BT}}
Test
{{H2|Color Schemes|l=3}}
Test
Appearance
Test
Color Schemes
Test
Parameters
|part=PB/BT/SC/DU/VA/SO/SBR/JJL/OS |l=3 (the level of header, put 3 for === ===)