OZG-6242 Add ghost styling

alfa-client/libs/design-system/src/lib/button/button.component.ts

@@ -38,7 +38,7 @@ export const buttonVariants = cva(
       variant: {
         primary: 'hover:enabled:bg-primary-hover bg-primary text-white shadow-sm',
         outline: 'border border-primary bg-background-50 text-primary hover:enabled:bg-background-100',
-        ghost: 'border-2 border-transparent hover:border-primary-hover text-primary',
+        ghost: 'border-2 border-transparent hover:border-primary-hover text-primary focus-visible:border-background-200',
       },
       size: {
         medium: 'h-9 py-2 px-4 min-w-32',