Minor style improvements

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

src/components/ui/accordion/accordion.tsx

@@ -81,7 +81,7 @@ const Accordion: React.FC<IAccordion> = ({ headline, children, menu, expanded =
       <div
         className={
           clsx({
-            'p-4 rounded-b-lg border-t border-solid border-gray-100 dark:border-primary-900': true,
+            'p-4 rounded-b-lg border-t border-solid border-gray-100 dark:border-primary-900 black:border-black': true,
             'h-0 hidden': !expanded,
           })
         }

src/components/ui/checkbox/checkbox.tsx

@@ -9,7 +9,7 @@ const Checkbox = React.forwardRef<HTMLInputElement, ICheckbox>((props, ref) => {
       {...props}
       ref={ref}
       type='checkbox'
-      className='h-4 w-4 rounded border-2 border-gray-300 text-primary-600 focus:ring-primary-500 dark:border-gray-800 dark:bg-gray-900'
+      className='h-4 w-4 rounded border-2 border-gray-300 text-primary-600 focus:ring-primary-500 black:bg-black dark:border-gray-800 dark:bg-gray-900'
     />
   );
 });