spacing
test of letter-spacing property.
letter-spacing changes from -60 to 0
with a duration of 10s.
This means, the glyphs 'wasitacatisaw'
are turned from left-to-right to right-to-left,
which is the same, because it is symmetrical.
Final and initial glyph arrangement is given
in gray.
wasitacatisaw
wasitacatisaw