fix(prevnext): improve button alignment

[iitzIrFan]

fixes: #4194

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[github-actions]

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🔗 https://ks-fix-prevnext-button-alignment-docs.kestra-io.workers.dev
🔗 https://84ec2d9e-docs.kestra-io.workers.dev

## 🔦 Lighthouse Benchmark

Tested: http://localhost:8787 on 2026-07-20 14:53 UTC
Compared against main baseline from 2026-07-20

Scores (0–100, higher is better)

Page	Performance	Accessibility	Best Practices	SEO
Home	81 🟢 +28	84	54	85
Pricing	98	92	54	100
Enterprise	98 🟢 +98	83	54	100
Cloud	91	88	54	100
About Us	98	91	54	100
Docs Landing	94 🟢 +11	88	54	92
Contribute to Kestra (simple docs)	97	88	54	92
Flow (full featured docs)	91	90	54	92
Blog Index	75	91	54	100
Blog Post (sample)	88	88	54	100
VS Page (sample)	96	88	54	100
Plugins Landing	93	81	54	92
Plugin Page (sample)	0 🔻 -95	88	54	100
Plugin Debug Page (sample)	96	88	54	100
Plugin Debug Return Page (sample)	93	88	58	100
Blueprints Landing	81	91	54	100
Blueprint Audit Logs CSV Export	63	92	54	100

Core Web Vitals (lower is better)

Page	LCP	FCP	TBT	CLS	Speed Index
Home	1.36 s	0.86 s	282 ms 🟢	0.000 🟢	1.90 s 🟢
Pricing	1.04 s	0.60 s	32 ms 🟢	0.000	0.73 s
Enterprise	1.16 s	0.61 s	26 ms	0.003	0.75 s
Cloud	2.00 s	0.56 s	27 ms 🟢	0.000 🟢	0.86 s
About Us	1.08 s	0.59 s	21 ms	0.000	0.75 s
Docs Landing	1.20 s 🟢	0.99 s 🔻	117 ms	0.000	0.99 s
Contribute to Kestra (simple docs)	1.18 s	0.59 s	43 ms 🟢	0.000	0.79 s
Flow (full featured docs)	1.22 s 🟢	0.61 s	187 ms	0.000	1.09 s
Blog Index	8.77 s	0.50 s	34 ms	0.001	0.89 s
Blog Post (sample)	2.29 s	0.57 s	53 ms 🔻	0.000	0.74 s
VS Page (sample)	1.19 s	0.65 s	68 ms 🔻	0.064	0.73 s
Plugins Landing	0.96 s	0.58 s	63 ms	0.000	2.33 s
Plugin Page (sample)	0.00 s 🟢	0.00 s 🟢	0 ms 🟢	0.000 🟢	0.00 s 🟢
Plugin Debug Page (sample)	1.00 s	0.53 s	32 ms 🟢	0.001	1.65 s
Plugin Debug Return Page (sample)	1.24 s 🔻	0.63 s	54 ms	0.025	1.98 s
Blueprints Landing	2.37 s	0.82 s	48 ms 🟢	0.005	2.74 s
Blueprint Audit Logs CSV Export	1.29 s	0.76 s	167 ms	0.483	3.74 s

Legend

🟢 improved  ·  🔻 regressed  ·  (blank) no significant change
Score threshold: ±10 pts  ·  Metric threshold: ±30% of baseline

[elevatebart]

I don't mind the change, this was simply what was specified as design and I liked it.
It set the focus on next and not on previous.

let's move "Forward" 😄

[iitzIrFan]

Now it has a bit more symmetry though :) Let's see what Nico thinks from the design perspective.

[Nico-Kestra]

don't know, originally it was pretty simple, and 'previous' was way less emphasized. The flow is more like: 'I'm reading something—could the next thing interest me? Probably less so the previous one.' So yeah, right now it's too big, too cluttered, too much info for a module that's just supposed to do previous/next, don't you think?

[iitzIrFan]

Thanks for the explanation @Nico-Kestra Should I go ahead and close the PR (and the issue as well), since the current design is intentional?