.wrap {
  padding: 0px;
}

#slide_wrap {
  position: relative;
  overflow: hidden;
  height: 100vh;
}
#slide_wrap .slide_item {
  opacity: 0;
  transform: scale(1);
  transition: opacity 2s linear, transform 7.5s linear;
  position: relative;
}
#slide_wrap .slide_item:not(:first-child) {
  position: absolute;
  top: 0;
  left: 0;
}
#slide_wrap .slide_item.show_ {
  opacity: 1;
}
#slide_wrap .slide_item.zoom_ {
  transform: scale(1.1);
}
#slide_wrap .slide_item img {
  display: block;
}