#number-leading-zero

Require or disallow a leading zero for fractional numbers less than 1.

a { line-height: 0.5; }
/**              ↑
 * This leading zero */

The --fix option on the command line can automatically fix all of the problems reported by this rule.

#Options

string: "always"|"never"

#"always"

There must always be a leading zero.

The following patterns are considered violations:

a { line-height: .5; }
a { transform: translate(2px, .4px); }

The following patterns are not considered violations:

a { line-height: 0.5; }
a { transform: translate(2px, 0.4px); }

#"never"

There must never be a leading zero.

The following patterns are considered violations:

a { line-height: 0.5; }
a { transform: translate(2px, 0.4px); }

The following patterns are not considered violations:

a { line-height: .5; }
a { transform: translate(2px, .4px); }