main .carstories {
  margin-bottom: 40px;
}

#instagram_etc {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-line-pack: justify;
      align-content: space-between;
  gap: 20px;
  height: 275px;
}
#instagram_etc a {
  display: block;
  height: 100%;
  width: auto;
  -webkit-box-flex: 1;
      -ms-flex-positive: 1;
          flex-grow: 1;
  -ms-flex-negative: 1;
      flex-shrink: 1;
}
#instagram_etc img {
  display: block;
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 736px) {
  main .carstories {
    width: calc(100% - 20px);
  }
  #instagram_etc {
    overflow: auto;
    width: calc(100vw - 20px);
  }
  #instagram_etc a {
    -webkit-box-flex: 0;
        -ms-flex-positive: 0;
            flex-grow: 0;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    width: auto;
  }
  #instagram_etc a img {
    width: auto;
  }
}