body{
   
    background-color: black;
	color: yellowgreen;

    background-repeat:no-repeat;
    background-size:cover;
    background-position: center;
	background-attachment: fixed;
}
h1{
    color:yellowgreen;
}
#i1{
    color:yellowgreen;
}

.img{
    display:block;
    margin-left:auto;
    margin-right:auto;
    
}