Balance padding of inline <emu-grammar>

[rkirsling]

Currently, inline usage of <emu-grammar> has twice as much padding on the left as the right:

CSS-wise, we're using padding-left: 1ex; in this case, whereas the rest of the padding / margin involved in <emu-grammar> appears to use a value of 0.5ex instead.

I guess it's been this way for years, but it really looks like a visual bug, so I'm hereby proposing we make the left side 0.5ex as well, such that we get the following instead:

[michaelficarra]

I actually kinda prefer the extra separation that 1ex gives us. Can you also provide a screenshot comparison of a balanced 1ex padding?

[rkirsling]

Adding padding-right: 0.5ex; to the status quo emu-production (such that that adds onto the 0.5ex right margin for elements within it) looks like this:

I do think that looks fine in the particular case above, but it seems less ideal when followed by a comma: