# selector-type-case Specify lowercase or uppercase for type selectors. ```css a {} /** ↑ * This is type selector */ ``` ## Options `string`: `"lower"|"upper"` ### `"lower"` The following patterns are considered warnings: ```css A {} ``` ```css LI {} ``` The following patterns are *not* considered warnings: ```css a {} ``` ```css li {} ``` ### `"upper"` The following patterns are considered warnings: ```css a {} ``` ```css li {} ``` The following patterns are *not* considered warnings: ```css A {} ``` ```css LI {} ```