# Need CSS selector for mobile new topic screen

**URL:** https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272
**Category:** Support
**Created:** [September 15, 2018, 9:26pm UTC](https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272 "2018-09-15T21:26:00Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Lew\_Grothe](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/lew_grothe/32/337776_2.png) [@Lew\_Grothe](https://meta.discourse.org/u/Lew_Grothe)
#### Post date: [September 15, 2018, 9:26pm UTC](https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272/1 "2018-09-15T21:26:00Z")

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On our forum (where we have a header), on a mobile phone, when a member selects “new topic,” the navigation header disappears but it leaves up our top level header which is in the way of the new topic form.

 ![NewTopicProblem|281x500:50%](https://global.discourse-cdn.com/meta/original/3X/f/3/f383dcfafda382a7deb7315f68783d60f8ee0cc7.jpeg)  
We want to get rid of our header on this screen…  
Using dev tools, I’m confused as to what selector (class?) is turning off the navigation header (we could use the same one?) or what conditions we would know to turn off the header.

Or is there a better way???

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### Author: ![tshenry](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/tshenry/32/119495_2.png) [@tshenry](https://meta.discourse.org/u/tshenry)
#### Post date: [September 15, 2018, 9:45pm UTC](https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272/2 "2018-09-15T21:45:27Z")

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Looks like the z-index might be too high. Try making this change your custom CSS:

```plaintext
.Navigation.Navigation--global {
    z-index: 1;
}
```

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<div class="post-metadata">

### Author: ![Lew\_Grothe](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/lew_grothe/32/337776_2.png) [@Lew\_Grothe](https://meta.discourse.org/u/Lew_Grothe)
#### Post date: [September 15, 2018, 11:16pm UTC](https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272/3 "2018-09-15T23:16:21Z")

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Perfect! Thanks for the help!

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### Author: ![system](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/system/32/443519_2.png) [@system](https://meta.discourse.org/u/system)
#### Post date: [October 15, 2018, 11:19pm UTC](https://meta.discourse.org/t/need-css-selector-for-mobile-new-topic-screen/97272/4 "2018-10-15T23:19:41Z")

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