.body_box {
  position: relative;
  top: 20px;
  display: flex;
  justify-content: start;
}
.body_box ul {
  display: flex;
  justify-content: start;
}
#img_1 img {
  max-width: 40vw;
  background-size: contain;
}
#img_2 img {
  width: 25vw;
  background-size: contain;
}
#img_3 img {
  width: 35vw;
  background-size: contain;
}