Specify lowercase or uppercase for hex colors.
a { color: #fff }
/** ↑
* These hex colors */
string
: "lower"|"upper"
The following patterns are considered warnings:
a { color: #FFF; }
The following patterns are not considered warnings:
a { color: #000; }
a { color: #fff; }
The following patterns are considered warnings:
a { color: #fff; }
The following patterns are not considered warnings:
a { color: #000; }
a { color: #FFF; }