message: fix: use mobile menu background color value from theme
diff: @@ -44,7 +44,7 @@ const StyledStickySidebar = styled.div<{ open?: boolean }>`
  position: fixed;
  z-index: 20;
  width: 100%;
  - background: #ffffff;
  + background: ${({ theme }) => theme.menu.backgroundColor};
  display: ${props => (props.open ? 'flex' : 'none')};
  `};
  