Hidden tabs' contetnt flash in FF 137

[BANOnotIT]

📝 Issue Description

On page navigation, <Sidebar> flashes with all tabs

📋 On which page(s) it occurs

https://docs.astro.build/en/basics/astro-pages/
... practically all pages without splash layout

🤔 Expected Behavior

Non-active tabs should hide content and only show it when tab is clicked

👀 Current Behavior

astro.jumping.tabs.mp4

🖥️ Browser

Firefox 137

📄 Additional Information

docs/src/components/tabs/TabPanel.astro

Lines 27 to 40 in 0b53033

	div {
	animation: tab-panel-appear 10s steps(2, jump-none) 1;
	}
	div[data-initial],
	div[role='tabpanel'] {
	animation: none;
	}
	@keyframes tab-panel-appear {
	from {
	display: none;
	}
	}

[sarah11918]

Thank you for filing this issue! @TheOtterlord was able to confirm this, and is looking into this. 🚀