# Why do this AIR App looks like this inside flex?

**URL:** <https://forum.kirupa.com/t/why-do-this-air-app-looks-like-this-inside-flex/300709>\
**Category:** flash\
**Created:** [November 25, 2009, 11:11pm UTC](https://forum.kirupa.com/t/why-do-this-air-app-looks-like-this-inside-flex/300709 "2009-11-25T23:11:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kadaj](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kadaj/32/9061_2.png) [@kadaj](https://forum.kirupa.com/u/kadaj)\
**Post date:** [November 25, 2009, 11:11pm UTC](https://forum.kirupa.com/t/why-do-this-air-app-looks-like-this-inside-flex/300709/1 "2009-11-25T23:11:54Z")

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This is just a basic AIR App with Flex 3  
But there appears to be a grey area at the bottom. How to avoid that.  
In design mode I don;t see that.  
I’m a beginner in flex.

![](http://forum.kirupa.com/uploads/kirupa/5961/d2a37ccf8e48b019.jpg)

![](http://forum.kirupa.com/uploads/kirupa/5963/ee5ead9989dd21cd.jpg)

Thanks in advance…