#section_1 {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: url("../media/profile_photo_3840x2160.webp");
  background-size: cover;
   background-position: center center;
  margin-bottom: 4vw;
}

@media only screen and (max-width: 600px) {
  #section_1 {
    height: 175vw !important;
    background: url("../media/004.webp") !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
    background-attachment: scroll !important;
    margin-bottom: 0vw;
  }
}