html - align div center in front of other divs with jquery -

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I need to divide the loader in front of other divs at the center of the page.

Someone show me the work example how to accomplish it with jquery?

Something like this should be done: 

  $ (' Element '). CSS ({status: 'full', top: '50% ', left: '50%', margin top: - $ ('. Element'). Outside Highlight (), Margin lift: - $ ('. Element' ). Otterwidth (), Zindex: 1000})

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