2.1.60 [CSS-Level2-2009] Section 12.4, Automatic counters and numbering
The specification states:
The 'counter-reset' property also contains a list of one or more names of counters, each one optionally followed by an integer. The integer gives the value that the counter is set to on each occurrence of the element. The default is 0.
Quirks Mode and IE7 Mode (All Versions)
The counter-reset property is not supported.