[CL-640] update bit-simple-dialog styles (#14916) #41650

Job	Run time
Setup	8s
Locales Test	8s
Build browser source	9m 29s
Build Safari	12m 34s
Build (firefox, dist:firefox, dist-firefox.zip, dist-firefox)	13m 58s
Build (opera-mv3, dist:opera:mv3, dist-opera.zip, dist-opera-MV3)	15m 59s
Build (firefox-mv3, dist:firefox:mv3, dist-firefox.zip, DO-NOT-USE-FOR-PROD-dist-firefox-MV3)	16m 22s
Build (chrome, dist:chrome, dist-chrome.zip, dist-chrome-MV3)	16m 1s
Build (edge, dist:edge, dist-edge.zip, dist-edge-MV3)	16m 28s
Crowdin Push	42s
Check for failures	28s
	1h 42m 17s

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