#about .cont-bf{
  background-image: url(https://kodomo-shokudou.city.fukuoka.lg.jp/wp-content/themes/kodomo-cafe/img/main-img2.png);
}

#about .cont{
  background-image: url(https://kodomo-shokudou.city.fukuoka.lg.jp/wp-content/themes/kodomo-cafe/lp/img/main-img2.png);
}