Replace dir
-dependent left
/right
with logical properties
#14690
Merged
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Please note: This is another step in a series of patches to simplify/modernize the viewer CSS.
Rather than having to manually specify ltr/rtl-specific left/right-values in the CSS, we can use logical
inset-inline
/inset-inline-start
/inset-inline-end
instead.These logical properties depend on, among other things, the direction of the HTML document which we always specify in the viewer.
Given that most of these logical CSS properties are fairly new, and that cross-browser support is thus somewhat limited (see below), we rely on the previously added PostCSS plugins in order to support this in the GENERIC viewer.