javascript - How to align tabs of tabpanel on center on Extjs 4? -

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it's possible align tabs of tabpanel on center? want align tabs on center without using margins. have property this? can see in image understand need.

tabpanel

when defining tabpanel, use this:

{     xtype: 'tabpanel',     tabbar: {         layout: { pack: 'center' }     } }

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