fix: shifting base spacing from 24px to 16px

Author: bia

src/theme/spacings.js

@@ -2,12 +2,14 @@ import { forEach } from 'lodash';
 
 export const spacing = {
   none: '0',
-  xss: '4px',
+  xxs: '4px',
   xs: '8px',
-  small: '16px',
-  base: '24px',
-  large: '48px',
-  xl: '64px',
+  small: '12px',
+  base: '16px',
+  medium: '24px',
+  large: '32px',
+  xl: '48px',
+  xxl: '64px',
 };
 
 // Collects all theme spacing vars as SCSS vars.