Is it possible to choose rotational direction of vertical script if I want to force them to display horizontally?

[Xidorn Quan]

On Wed, Jan 20, 2016 at 5:07 PM, gfb hjjhjh <c933103 at gmail.com> wrote:
> However, I just read on a Chinese webpage
> http://www.zhihu.com/question/30727581 which claim there're a "traditional
> way" of writing Mongolian horizontally by rotating it 90 degree clockwise
> (despite I am not sure about what kind of tradition the webpage is referring
> to nor do i know is it legit.),

It doesn't seem to me the post claims anything. AFAICS, it is just a
question that, whether there exists any valid method to write
Mongolian horizontally.

> is this achievable within current computer
> system like on webpage via css or in different word processors/office suite
> software?

It seems to be a question for www-style at w3.org, instead of the Unicode
mailing list.

- Xidorn