* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 100%;
  font-weight: normal;
  font-style: sans-serif;
  line-height: 1.2;
}

body { 
  font-size: 1.1rem;
}

.box {
  position: absolute;
  width: 70%;
  height: 100%;
/*  background: yellow;*/
  left: 49.5%;
  top: 50%;
  transform: translate(-50%,-50%);
}


.box img {
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}


@media screen and (max-width: 1000px) {

.box img {
  width: 150%;
}

}