.teaser a.post_3919 .teaser_thumbnail { background-image: url("https://afges-1599.version-beta.com/wp-content/uploads/2020/03/Capture-1-300x72.jpg");  } 
 .teaser a.post_3420 .teaser_thumbnail { background-image: url("https://afges-1599.version-beta.com/wp-content/uploads/2019/05/Couve-Controle-VERYSMALL-216x300.png");  }