# White line between topNav and first item on a page

**URL:** <https://community.glideapps.com/t/white-line-between-topnav-and-first-item-on-a-page/9869>\
**Category:** Report a Bug\
**Created:** [May 27, 2020, 1:02pm UTC](https://community.glideapps.com/t/white-line-between-topnav-and-first-item-on-a-page/9869 "2020-05-27T13:02:06Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)\
**Post date:** [May 27, 2020, 1:16pm UTC](https://community.glideapps.com/t/white-line-between-topnav-and-first-item-on-a-page/9869/2 "2020-05-27T13:16:25Z")

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The emulator in the builder needs to compress the display a little bit to get things to show. This causes weird side affects like horizon lines but being visible. This is only in the emulator and doesn’t affect the final app.

> [@Separator not showing](https://community.glideapps.com/t/separator-not-showing/4146/6):
>
> Hi guys. It’s due to the separator.being very thin and the preview needing to be scaled down on some screens. Due to different scaling algorithms used in different browsers sometimes this results in the separator becoming invisible. As mentioned this is only a problem with scaled previews.

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