body, #primaryContent { background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/bf9da74edde7c216d9bb350fc896d768ccae7c56);
background-attachment: fixed; 
background-color: #; 
background-repeat: no-repeat; 
background-position: bottom right;
background-size: cover;
}