fix: rewards onboarding UI fixes button color and overflow

[sophieqgu]

Description

Small ui fixes to button color and prevent overflow

Changelog

CHANGELOG entry: null

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

---

Note

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[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

Builds ready [5040d66]

• builds: chrome, firefox
• builds (beta): chrome, firefox
• builds (flask): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• bundle size: Bundle Size Stats
• user-actions-benchmark: User Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  • content-script: 0
  • offscreen: 0

UI Startup Metrics (1250 ± 95 ms)

Platform	BuildType	Page	Metric	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Standard Home	uiStartup	1250	1098	1517	95	1300	1422
			load	1073	934	1346	88	1121	1245
			domContentLoaded	1066	931	1341	87	1116	1236
			domInteractive	22	14	85	17	18	70
			firstPaint	643	88	1243	428	1064	1181
			backgroundConnect	231	219	256	7	235	247
			firstReactRender	23	17	43	5	25	33
			getState	21	7	48	8	24	37
			initialActions	0	0	1	0	0	1
			loadScripts	842	710	1121	87	898	1009
			setupStore	11	7	29	4	11	18
			numNetworkReqs	13	6	76	19	6	69
	Browserify	Power User Home	uiStartup	1669	1525	2112	192	1926	2112
			load	1033	907	1455	177	1278	1455
			domContentLoaded	1025	901	1437	176	1272	1437
			domInteractive	41	15	131	39	85	131
			firstPaint	520	182	1467	418	919	1467
			backgroundConnect	233	216	248	8	240	248
			firstReactRender	40	33	55	5	41	55
			getState	168	148	201	14	175	201
			initialActions	0	0	1	0	0	1
			loadScripts	800	683	1212	172	1038	1212
			setupStore	10	9	12	1	11	12
			numNetworkReqs	120	72	254	61	166	254
	Webpack	Standard Home	uiStartup	759	645	1018	81	762	954
			load	548	504	818	62	544	733
			domContentLoaded	541	494	801	60	539	719
			domInteractive	16	11	69	10	13	42
			firstPaint	199	54	805	193	174	674
			backgroundConnect	25	11	65	12	31	48
			firstReactRender	26	16	51	8	31	37
			getState	10	5	23	3	12	15
			initialActions	0	0	1	0	0	1
			loadScripts	539	491	793	58	537	712
			setupStore	11	6	35	5	13	21
			numNetworkReqs	14	6	77	20	8	75
	Webpack	Power User Home	uiStartup	1060	889	1773	245	1183	1773
			load	654	572	1080	141	760	1080
			domContentLoaded	641	562	1053	135	728	1053
			domInteractive	34	13	139	38	66	139
			firstPaint	348	66	1057	317	731	1057
			backgroundConnect	41	10	180	44	37	180
			firstReactRender	38	33	41	2	40	41
			getState	137	94	162	25	151	162
			initialActions	0	0	1	0	1	1
			loadScripts	637	560	1043	132	718	1043
			setupStore	14	6	28	9	25	28
			numNetworkReqs	108	69	224	56	168	224
Firefox	Browserify	Standard Home	uiStartup	1480	1333	2038	128	1505	1772
			load	1238	1122	1500	86	1269	1439
			domContentLoaded	1238	1122	1499	86	1269	1439
			domInteractive	110	36	337	58	107	252
			firstPaint	-	-	-	-	-	-
			backgroundConnect	43	27	162	18	50	69
			firstReactRender	25	21	58	6	25	40
			getState	10	7	29	3	11	18
			initialActions	0	0	1	0	0	1
			loadScripts	1212	1101	1478	82	1240	1403
			setupStore	17	6	211	29	13	36
			numNetworkReqs	12	6	61	15	7	59
	Browserify	Power User Home	uiStartup	2327	1891	3455	491	2489	3455
			load	1434	1181	1843	207	1657	1843
			domContentLoaded	1434	1181	1843	207	1656	1843
			domInteractive	210	85	585	180	397	585
			firstPaint	-	-	-	-	-	-
			backgroundConnect	108	36	287	84	202	287
			firstReactRender	65	47	89	11	74	89
			getState	128	45	191	36	159	191
			initialActions	6	0	49	14	1	49
			loadScripts	1392	1160	1784	205	1606	1784
			setupStore	24	6	118	27	27	118
			numNetworkReqs	137	68	333	99	238	333
	Webpack	Standard Home	uiStartup	1637	1429	2069	141	1651	1960
			load	1392	1191	1770	114	1412	1673
			domContentLoaded	1392	1191	1770	114	1412	1672
			domInteractive	95	32	321	40	103	180
			firstPaint	-	-	-	-	-	-
			backgroundConnect	49	23	129	26	52	118
			firstReactRender	34	23	88	15	31	78
			getState	12	7	96	11	12	21
			initialActions	0	0	2	0	0	1
			loadScripts	1360	1173	1720	103	1386	1599
			setupStore	14	7	73	11	13	39
			numNetworkReqs	13	6	68	17	8	65
	Webpack	Power User Home	uiStartup	2152	1838	2708	247	2329	2708
			load	1443	1212	1644	135	1593	1644
			domContentLoaded	1443	1212	1644	135	1593	1644
			domInteractive	83	34	215	66	164	215
			firstPaint	-	-	-	-	-	-
			backgroundConnect	76	24	308	71	112	308
			firstReactRender	58	40	102	16	62	102
			getState	125	92	191	33	163	191
			initialActions	1	0	1	0	1	1
			loadScripts	1415	1194	1608	128	1562	1608
			setupStore	26	8	68	17	41	68
			numNetworkReqs	130	58	300	76	177	300

📊 Page Load Benchmark Results

Current Commit: 5040d66 | Date: 11/14/2025

📄 Localhost MetaMask Test Dapp

Samples: 100

Summary

• pageLoadTime-> current mean value: 1.08s (±110ms) 🟡 | historical mean value: 1.04s ⬆️ (historical data)
• domContentLoaded-> current mean value: 763ms (±126ms) 🟢 | historical mean value: 726ms ⬆️ (historical data)
• firstContentfulPaint-> current mean value: 96ms (±181ms) 🟢 | historical mean value: 80ms ⬆️ (historical data)

📈 Detailed Results

Metric	Mean	Std Dev	Min	Max	P95	P99
pageLoadTime	1.08s	110ms	1.04s	1.92s	1.33s	1.92s
domContentLoaded	763ms	126ms	722ms	1.81s	1.01s	1.81s
firstPaint	96ms	181ms	64ms	1.90s	88ms	1.90s
firstContentfulPaint	96ms	181ms	64ms	1.90s	88ms	1.90s
largestContentfulPaint	0ms	0ms	0ms	0ms	0ms	0ms