selector-pseudo-element-case

Specify lowercase or uppercase for pseudo-element selectors.

  a::before {}
/**  ↑
 * This pseudo-element selector */

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

The message secondary option can accept the arguments of this rule.

Options

string: "lower"|"upper"

"lower"

The following patterns are considered problems:

a:Before {}

a:bEfOrE {}

a:BEFORE {}

a::Before {}

a::bEfOrE {}

a::BEFORE {}

input::-MOZ-PLACEHOLDER {}

The following patterns are not considered problems:

a:before {}

a::before {}

input::-moz-placeholder {}

"upper"

The following patterns are considered problems:

a:Before {}

a:bEfOrE {}

a:BEFORE {}

a::Before {}

a::bEfOrE {}

a::before {}

input::-moz-placeholder {}

The following patterns are not considered problems:

a:BEFORE {}

a::BEFORE {}

input::-MOZ-PLACEHOLDER {}