Here are a couple of examples which should work. For each example the code is given using both the individual [highlights]background properties[/highlights] and the. The browsers detailed above.
[list]
[list_li]Proin vel mauris diam tempus scelerisque[/list_li]
[list_li]Sed do eiusmod tempor incididunt[/list_li]
[list_li]Labore et dolore magna aliqua[/list_li]
[list_li]Incididunt ut labore et dolore magna aliqua.[/list_li]
[/list]