.event_banner {
  background-color: #E3E5EB;

  padding-top: 45px;
  padding-bottom: 20px;
}

@media screen and (min-width: 1800px) {
  .banner_img {
    width: 650px;
    height: 100%;
  }  
}

@media screen and (max-width: 1800px) and (min-width: 1600px){
  .banner_img {
    width: 500px;
    height: 100%;
  }
}

@media screen and (max-width: 1600px) and (min-width: 440px){
  .banner_img {
    width: 400px;
    height: 100%;
  }
}
@media screen and (max-width: 440px) {
  .banner_img {
    width: 300px;
    height: 100%;
  }
}

.banner_img {
  margin-left: auto;
  margin-right: auto;
}