Get the CSS variable for a duotone preset.

Description

Example output: var(–wp–preset–duotone–blue-orange)

Parameters

$slugstringrequired

The slug of the duotone preset.

Return

Source

private static function get_css_var( $slug ) {
	$name = self::get_css_custom_property_name( $slug );
	return "var($name)";
}

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