.QRcode {
  background-size: cover;
  background-position: centre;
  margin: 0px 0px 10px auto;
  align: center;
  max-width: 100%;   
  display: inline-block;
  border: 0px solid orange;
  
  overflow: hidden;
  z-index: 1;
  position: relative;
}


.QRcode img{
    
    height: 500px;
  width: 100%;
  image-rendering: auto;

 display: block;
 
 margin-top: 100px;
 
 max-width: 100%;
 
 background-size: cover;

 background-position: center, center;

 border-radius: 5%;
  transition: 5s;

}