Expanding ad isn't expanding out of placement or over webpage.

This is a layering issue that applies to publishers.

Now put on your detective hat and troubleshoot by investigating one of the following:Check for overflow:hidden; issues.Check for z-index conflicts.Check for multiple iframes.I'm sleuthed out of options! Help!

Does the ad have any containing divs with the overflow:hidden; attribute?YesNo

Change any overflow:hidden; style attributes of the containing divs to overflow:visible;. This permanently addresses the issue and prevents it from occurring in future creatives.I'm unable to change the overflow value.I tried adding the key value, but the unit is still expanding under content.

Does the unit displaying over the ad's expansion have a higher z-index than the other unit?YesNo

Choose one:Yes, the ad is serving into multiple iframes.No, there are no multiple or nest iframes.

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