site: fix copy button alignment

[gtm-nayan]

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[PuruVJ]

Can u tell where this is causing the issue?

[gtm-nayan]

Switch to typescript and navigate to https://kit.svelte.dev/docs/load#errors

[PuruVJ]

I dont see anything 🤔

[gtm-nayan]

[eltigerchino]

It's happening on Safari (Version 17.0 (19616.1.26.11.3)) as well.