chromium/third_party/blink/web_tests/svg/text/resources/glyph-orientation-vertical.css

/* Maps the SVG 'glyph-orientation-vertical' attribute to
   the CSS 'text-orientation' property, according to:
   https://drafts.csswg.org/css-writing-modes-3/#glyph-orientation */
[glyph-orientation-vertical="auto"] {
  text-orientation: mixed;
}
[glyph-orientation-vertical="0deg"], [glyph-orientation-vertical="0"] {
  text-orientation: upright;
}
[glyph-orientation-vertical="90deg"], [glyph-orientation-vertical="90"] {
  text-orientation: sideways;
}