Gmail是否支持CSS类？ [英] Does Gmail support CSS classes?

问题描述

标题实际上只是问题的缩写版本。我知道Gmail的CSS支持有限，但我正在阅读电子邮件中的CSS支持指南 ，其中有Gmail支持 .class 和 #id 选择器的注释：

The title is really just the shortened version of the question. I'm aware of Gmail's limited CSS support, but I was reading "Guide to CSS support in email", which has a note for Gmail's support of .class and #id selectors:

（！）在某些情况下适用于在广告系列导入之前或期间内嵌CSS的情况。

(!) Works in some instances if CSS is inlined before or during campaign import

对于CSS支持，这是什么意思？对我来说，它似乎只是建议使用一个预处理器来采取任何样式声明，并将它们应用到匹配的元素。

What does this actually mean as far as CSS support is concerned? To me, it sounds like it's just suggesting to use a preprocessor to take any style declarations and apply them to the matched elements.

推荐答案

Gmail仅使用内联CSS。它不允许内部或外部样式表。或者说，我发现它的支持是不可靠的。使用此工具可将内部和外部样式转换为内联样式：

Gmail will only use CSS that is inline. It will not allow internal or external style sheets. Or rather I have found its support to be unreliable at best. Use this tool to do to convert internal and external style into inline for you:

http://inlinestyler.torchboxapps.com/styler/

它甚至会告诉您您的文档在不同的电子邮件客户端中的支持情况。这将允许你以更健全的方式发展，并且只在结束时转换它。

It even tells you how well your document is supported in different email clients. This will allow you to develop in a more sane fashion, and only convert it at the end.

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