Add columns option to card-group

sophstad · i80and · commit db3c020e0b27 · 2020-06-05T13:03:14.000-04:00
diff --git a/snooty/rstspec.toml b/snooty/rstspec.toml
@@ -506,6 +506,7 @@ inherit = "_landing-block"
 
 [directive."landing:card-group"]
 inherit = "_landing-block"
+options.columns = "nonnegative_integer"
 
 [directive."landing:card"]
 example = """.. card::
