body, #primaryContent { background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/c7549724c3c5853b9c3831898218d999f094d391),
url(https://t1.daumcdn.net/cafeattach/1ZFir/cc1e8610ca131a3a0adf5171ee6f8f1790134443);
background-attachment: fixed;
background-color: #; 
background-repeat: no-repeat; 
background-position: top 50px right 50px, bottom right;
background-size: 500px, cover;