refactor: css variables for colors and shadows

src/app/deals/components/desktop/Board/Board.tsx

@@ -17,7 +17,7 @@ const Board: FC<Props> = ({ board }) => {
     const { onUpdateBoard } = useBoardsContext();
 
     return (
-        <Flex>
+        <Flex p={"lg"}>
             <SmallPageBlock active={selectedBoard?.id === board.id}>
                 <Group
                     px={"md"}