.intro_img{
  margin: auto;
  margin-top: 8rem
}
.intro_img img{
  display: block;
  margin: auto;
  width: 50vw;
}

@media (max-width: 1080px) and (orientation:portrait) {

  .main{
    left: 1rem;
    width: 100vw;
  }

  .intro_img{
    margin-top: 25vh;
  }

  .intro_img img{
    width: 90vw
  }
}