 the default value, each glyph is rotated 90 degrees. When :glyph_orientation_vertical=0 each glyph appears in its "normal"
            (upright) orientation.
          </dd>

          <dt>:glyph_orientation_horizontal</dt>

          <dd>
            Applies only when :writing_mode='lr'. This style can have one of four values: 0, 90, 180, 270. The default is 0. This style specifies a rotation on
            each glyph. With the default value, each glyph appears in its "normal" (upright) orientation.
     