Size of buttons in Pivot pop-up

Webix JS
#1

Hello!

How can i resize two upper right buttons in the pivot filter pop up? Our approve word doesn’t fit in a button width.

#2

По Русски скажу: Как мне поменять ширину кнопки в Pivot???

#3

@Sannikovis
check this
https://snippet.webix.com/2baxa3w7

#4

THANKS!