: Re: css - select only when followed by specific element I have a specific problem in which I need to remove the margin-bottom of every Element that has a class only when followed by the same

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Here's the spec. www.idpf.org/epub/20/spec/OPS_2.0_latest.htm#Section3.1

Support for these css features were limited in EPUB2, plus it's also a question of whether the device or app will support this. Most reading systems have nominal support for EPUB3 (and that's really important for css support). For example, most reading systems today support css media-queries, which is an epub3 feature.

A key thing is to check whether the epub standard requires that the reading system supports this css property. If it's optional, there's a good chance it won't be supported.

I would ask which reading system you are talking about. The most likely reading system to support this feature would be Google Play books -- although even that's iffy. Mostly software reading systems have better support for these css advanced features. I am curious about whether Adobe Digital Editions supports adjacent selectors. (That's the key test). My guess is no.

The most recent Amazon Kindle Publishing Guidelines specifically says that it does not support using the plus sign (+) selector (also known as adjacent sibling selectors) in css code. Sometimes, however, it supports a feature unofficially until it has been tested fully.

Aside from the Amazon publishing guidelines, there's no good reference about css support except for the epub spec. Often I have to do trial and error to see whether a certain feature is supported.

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