[tabs class="yourcustomclass"]
[tab title="Tab number 1" active="active"]Tab 1 content goes here.[/tab]
[tab title="Tab number 2"]Tab 2 content goes here.[/tab]
[tab title="Tab number 3"]Tab 3 content goes here.[/tab]
[tab title="Tab number 4"]Tab 4 content goes here.[/tab]
[/tabs]