body,html{
    height: 100%;
    margin: 0; 
    background-size: cover; 
    background-position: center;
    background-repeat: no-repeat;
}

.gjdiv{
	position:absolute;  
	width:100%; 
	height:100%; 
	z-index:1;
}

img {
    display: block;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
  }