How to set global font size in Discourse?

I changed the font of my forum to proxima nova. But now the default font size is very small. If I change by this way -

body {
    font-size: 16px;
}

The font size gets increased automatically for example - topic title font size sets to 23px and so on. Whats the problem?

For Discourse the font size is set at 14px on the html element. Most of the other fonts are sized using the ‘em’ unit. For example the heading of this topic has a size of 1.8 em. To convert an em unit to px you multiply the em unit by the size of the current font (1.8 em * 14px). If you change the font size on the html element or the body element, that change will cascade throughout the application. It’s done that way on purpose. It does mean that if you change the base font size you might have to adjust font sizes and possibly some margins and padding in a few other places.

Maybe you can get away with changing the font size on .container.posts or .topic-body

.container.posts {font-size: 16px;}

That will affect less of the application.

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I believe there is an easy way to change global font size in Discourse now @awesomerobot?

Right, all font sizes cascade from the 14px set on the HTML tag — so you can bump everything up proportionately by doing

html {
  font-size: 16px;
}  

or if you just want to increase the font size of a specific section, that still works too — just find a parent container and apply a font size there. For example, posts:

.posts-wrapper {
  font-size: 16px;
}
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请注意,您可以在网页浏览器中通过两种方法按用户控制字体大小:

  1. 浏览器缩放(在 Chrome 中,缩放默认为 100%)
  2. 手动调整浏览器字体大小(在 Chrome 中,外观 → 字体大小,默认为中等)

您可以通过 您的用户偏好设置 中的文本大小部分在 Discourse 中调整字体大小。默认为正常。

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