body, #primaryContent { background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/b15e755b89cb0ecf29f696781c4d132cc5b2a073);
background-attachment: fixed; 
background-color: #; 
background-repeat: no-repeat; 
background-position: tbottom right;
background-size: cover;
}