Vast's stylesheet (called vast-style.css) has built in styles for the tabber module, which by default has the tabs sitting next to each other horizontally rather than vertically.
If not using vast-style.css on your page, this can be achieved by adding the following to the stylesheet attached to your page:
Vast's stylesheet (called vast-style.css) has built in styles for the tabber module, which by default has the tabs sitting next to each other horizontally rather than vertically.
If not using vast-style.css on your page, this can be achieved by adding the following to the stylesheet attached to your page: