message: [Calendar] Remove arrows white background on sliding from disabled state
diff: @@ -33,20 +33,12 @@ export const useStyles = makeStyles(
  },
  transitionContainer: {
  width: '100%',
  - height: 20,
  + overflow: 'hidden',
  + height: 23,
  },
  iconButton: {
  - zIndex: 2,
  - backgroundColor: theme.palette.background.paper,
  - '& > *': {
  - // label
  - backgroundColor: theme.palette.background.paper,
  - '& > *': {
  - // icon
  zIndex: 1,
  - overflow: 'visible',
  - },
  - },
  + backgroundColor: theme.palette.background.paper,
  },
  daysHeader: {
  display: 'flex',
  