body, #primaryContent{background-image: 
url(   ),
url(   ),
url( https://t1.daumcdn.net/cafeattach/rjvj/0f7bec5a25b4eec31bb6459f0e0d8c429e1bef3d );
background-attachment: fixed; 
background-color: #ffffff ; 
background-repeat: no-repeat; 
background-position: right bottom,   bottom 0px right 100px,  right bottom ;
background-size:900px, 550px, 80% 100% ; }



<link rel="stylesheet" href=" css파일주소 " data-css="배경화면">


<link rel="stylesheet" href="https://t1.daumcdn.net/cafeattach/1ZFir/95aeca4304f1d908a7a3363a8a9ccb405885af4c" data-css="댓글창">
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<link rel="stylesheet" href="https://t1.daumcdn.net/cafeattach/1ZFir/23eea5d593a90b5d4561d18f6a0c38011ffd9abd"  data-css="상단스킨안보임" >

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