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How to make start and end curve pieces of selected tab transparent in custom theme in FF33?

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I created my own theme using a background image but it seems I cannot code it right in browser.css to make the start and end curve pieces of selected tab transparent. They remain colored, I guess using the operating system's (which is Win XP) dialog color. The middle piece is fine, though, as well as the hovering. I built my theme based on https://developer.mozilla.org/en-US/docs/Building_a_Theme but customised it.

Your answer would be highly appreciated! Best regards,

Chaperon

I created my own theme using a background image but it seems I cannot code it right in browser.css to make the start and end curve pieces of selected tab transparent. They remain colored, I guess using the operating system's (which is Win XP) dialog color. The middle piece is fine, though, as well as the hovering. I built my theme based on https://developer.mozilla.org/en-US/docs/Building_a_Theme but customised it. Your answer would be highly appreciated! Best regards, Chaperon

Alle svar (2)

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Please see screenshot!

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There is a Theme Development forum over here - http://forums.mozillazine.org/viewforum.php?f=18&sid=8c2f1ca97805f897689772e80e351023 You'll need to register and login to that website, which isn't part of Mozilla Support, but far more theme developers hang out over there then what we get here.