body, #primaryContent{ background-image: 
url(https://t1.daumcdn.net/cafeattach/1ZFir/c0fef3a9e97b8f4665fcc9d773a7ec8a03c89263),
url(https://t1.daumcdn.net/cafeattach/1ZFir/c0fef3a9e97b8f4665fcc9d773a7ec8a03c89263),
url(https://t1.daumcdn.net/cafeattach/1ZFir/fbb8febf1c2dde4b43c08bc5e4f81760d94fe16d);
background-attachment: fixed; 
background-color: #ffffff ; 
background-repeat: no-repeat; 
background-position:  bottom -50px right 420px, bottom -50px right, bottom right;
background-size:450px, 400px, cover ;
 }