body, #primaryContent { background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/926efc99eadef2e7d55ecf6e8a53957e548cc330);
background-attachment: fixed;
background-color: #; 
background-repeat: no-repeat; 
background-position: bottom right;
background-size: cover;
}