# Bar Focus - how to change style of collapser icon?

**URL:** <https://forum.mautic.org/t/bar-focus-how-to-change-style-of-collapser-icon/21844>\
**Category:** Product Support\
**Created:** [November 30, 2021, 8:30pm UTC](https://forum.mautic.org/t/bar-focus-how-to-change-style-of-collapser-icon/21844 "2021-11-30T20:30:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kopeuegv](https://avatars.discourse-cdn.com/v4/letter/k/f19dbf/32.png) [@kopeuegv](https://forum.mautic.org/u/kopeuegv)\
**Post date:** [November 30, 2021, 8:30pm UTC](https://forum.mautic.org/t/bar-focus-how-to-change-style-of-collapser-icon/21844/1 "2021-11-30T20:30:19Z")

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My Mautic version is: 4.1.0

My problem is: I want to change the style of collapser of the Focus Bar element. I would like to change it to X sign in upper-right corner of the bar.

I tried to use new “Custom CSS” field in 4.1.0 to change the style of “mf-bar-collapser” class. However I see no changes.

Could you please point me to the right direction, how should I do it?