The amber(features & screenshot), green(downloads), pink?(community), blue(using fedora) and purple(help) color banners at fedoraproject.org are not big enough/don't automatically expand if the (translated) string is more than one line. Text is lost when translation can't be 'one line wide' due to local word length/syntax.
Suggested is 'it depends of your browser, probably because "em" font size is used and not px' in combination with website design not being dynamic.
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There could be some workaround: - changing the font size depending on the string length - changing the box heigh/width depending on the content… But it won't be consistent between all languages.
We should have translators proofreading there translations and checking if they could shorten them.
Here is another screenshot (index): http://pix.toile-libre.org/?img=1334845132.png
Layout will change completeley and we won't have this issue (hopefully). L10n teams also should look if their translation is fine and if not find a shorter one.