body, #primaryContent{
background-image:url(https://t1.daumcdn.net/cafeattach/1MThB/453b71b1eb3a2e792e7e0862ca6fe22b8eb2a05a);
background-attachment: fixed; 
background-color:#ffffff;
background-repeat: no-repeat ; 
background-position: center bottom; 
background-size: cover; }