New responsive web design - Step 79

Hi! Im stuck with the Setp 79.

Step 79

The default color of a link that has not yet been clicked on is typically blue. The default color of a link that has already been visited from a page is typically purple.

To make the footer links the same color regardless if a link has been visited, use a type selector for the anchor element (a) and use the value black for the color property.

My code: .a {color: Black;}

But when I run the code the answer is “You should use an a selector.”

Its is not .a my selector?

.a is a selector for elements whose class attribute is a

to select anchor elements you should not use a dot