Specify lowercase or uppercase for hex colors.
指定十六进制颜色大小写。
a { color: #fff }
/** ↑
* These hex colors */
string: "lower"|"upper"
"lower"
The following patterns are considered warnings:
以下模式被认为是个警告:
a { color: #FFF; }
The following patterns are not considered warnings:
以下模式正常:
a { color: #000; }
a { color: #fff; }
"upper"
The following patterns are considered warnings:
以下模式被认为是个警告:
a { color: #fff; }
The following patterns are not considered warnings:
以下模式正常:
a { color: #000; }
a { color: #FFF; }