body, #primaryContent
{ background-image:
linear-gradient(90deg,transparent, transparent),
url("https://t1.daumcdn.net/cafeattach/1LnGx/8111bbf187e28f63fc0d714332f707cfc1c9243f"),
url("https://t1.daumcdn.net/cafeattach/1LnGx/53f73ba3f1cd1a146064b111c1c9f7f86a668aa9"),
url(https://t1.daumcdn.net/cafeattach/1LnGx/5fd0aefe05463037555be6d6404776cf4f1f05ff);
background-attachment: fixed;
background-color: #ffffff ;
background-repeat: no-repeat;
background-position: top 18% right 30%, bottom right;
background-size: 100% 100%,60% 100%,25% 50% ;
}