<!DOCTYPE html> <link rel="stylesheet" href="test-common.css"> <style type="text/css"> @counter-style a { system: fixed; symbols: a b c; symbols: 0 1 2; } @counter-style b { system: additive; additive-symbols: 3 c, 2 b, 1 a; additive-symbols: 1 x, 2 y, 3 z; additive-symbols: x, y, z; additive-symbols: 1, 2, 3; } </style> <ol style="list-style-type: a"> <li><li><li><li><li> </ol> <ol style="list-style-type: b"> <li><li><li><li><li> </ol>