REFRESHED! Styling vertical Chinese, Japanese, Korean and Mongolian text

https://www.w3.org/International/articles/vertical-text/

It explains how to use CSS to produce vertical text.

This article was updated to include recent developments, and improve the format.

Some new content was also added. For example, it indicates how to make select options vertical using emerging CSS properties. It also explains why horizontal script languages should not use vertical- properties, but sideways- properties instead.