body, #primaryContent
{ background-image:
linear-gradient(90deg, transparent, transparent),
url("https://t1.daumcdn.net/cafeattach/1LnGx/8111bbf187e28f63fc0d714332f707cfc1c9243f"),
url("https://t1.daumcdn.net/cafeattach/1LnGx/613f5d493d058afe3124feba273541a8bedab0d2"),
url(https://t1.daumcdn.net/cafeattach/1LnGx/c387cab2ff44b4c90f38aa36325e359c42279a09);
background-attachment: fixed;
background-color: #ffffff ;
background-repeat: no-repeat;
background-position: top 30% right 15%, bottom right;
background-size: 100% 100%,50% 100%,40% 40% ;
}