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unit-case

Specify lowercase or uppercase for units.

    a { width: 10px; }/**              ↑ *     These units */

The fix option can automatically fix most of the problems reported by this rule.

Options#

string: "lower"|"upper"

"lower"#

The following patterns are considered problems:

a {  width: 10PX;}
a {  width: 10Px;}
a {  width: 10pX;}
a {  width: 10PIXEL;}
a {  width: calc(10PX * 2);}

The following patterns are not considered problems:

a {  width: 10px;}
a {  width: calc(10px * 2);}

"upper"#

The following patterns are considered problems:

a {  width: 10px;}
a {  width: 10Px;}
a {  width: 10pX;}
a {  width: 10pixel;}
a {  width: calc(10px * 2);}

The following patterns are not considered problems:

a {  width: 10PX;}
a {  width: calc(10PX * 2);}