message: fix sidenav border
diff: @@ -32,9 +32,11 @@ const SideNav = ({router}) => (
  height="100%"
  bg="gray.0"
  display="inline-block"
  + border='1px solid'
  borderTop={[1, 1, 0, 0]}
  borderRight={1}
  - borderColor="gray.2"
  + borderLeft='0'
  + borderBottom='0'
  id="sidenav"
  >
  <BorderBox border="none" borderBottom={1} borderRadius={0} borderColor="gray.2" bg="gray.0">
  