Specify lowercase or uppercase for units.
a { width: 10px; }
/** ↑
* These units */string: "lower"|"upper"
The following patterns are considered warnings:
a {
width: 10PX;
}a {
width: 10Px;
}a {
width: 10pX;
}a {
width: 10PIXEL;
}a {
width: calc(10PX * 2);
}The following patterns are not considered warnings:
a {
width: 10px;
}a {
width: calc(10px * 2);
}The following patterns are considered warnings:
a {
width: 10px;
}a {
width: 10Px;
}a {
width: 10pX;
}a {
width: 10pixel;
}a {
width: calc(10px * 2);
}The following patterns are not considered warnings:
a {
width: 10PX;
}a {
width: calc(10PX * 2);
}