refactor: remove cursor properties as it inherits from links

Author: Gallections

Diff for: src/components/header.jsx

@@ -105,15 +105,11 @@ const NavBar = {
   `,
   Link: styled.span`
     padding: 0 1rem;
-    cursor: pointer;
-
     @media only screen and (max-width: 600px) {
       padding: 1rem 0;
     }
   `,
   li: styled.li`
-    cursor: pointer;
-
     @media only screen and (max-width: 600px) {
       padding: 1rem 0;
     }`