message: Change background color of Principles secion in About Us page
diff: @@ -3,11 +3,9 @@ import { Theme } from '@mui/material/styles'
  import makeStyles from '@mui/styles/makeStyles'
  import createStyles from '@mui/styles/createStyles'
  import { Typography, CardContent, CardHeader, Card, SvgIconProps } from '@mui/material'
  -import { grey } from '@mui/material/colors'
  const useStyles = makeStyles((theme: Theme) =>
  createStyles({
  - container: { backgroundColor: grey[50] },
  contentContainer: {
  padding: theme.spacing(0),
  margin: theme.spacing(2, 0),
  @@ -50,7 +48,7 @@ type PrincipleCardProps = {
  export default function PrincipleCard({ Icon, heading, content }: PrincipleCardProps) {
  const classes = useStyles()
  return (
  - <Card elevation={0} className={classes.container}>
  + <Card elevation={0}>
  <CardHeader
  className={classes.cardHeader}
  avatar={<Icon className={classes.icon} />}
  