body, #primaryContent { background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/8d87b6685488b4db56ddf771db012bd4d1b2656f);
background-attachment: fixed; 
background-color: #; 
background-repeat: no-repeat; 
background-position: bottom right;
background-size: cover;
}