body, #primaryContent
{ background-image:
linear-gradient(90deg, transparent, transparent),
url("https://"),
url("https://t1."),
url(https://t1.daumcdn.net/cafeattach/1LnGx/2efd7db21ff1ae6ffbb17c22a76fa72e6978945f);
background-attachment: fixed;
background-color: #ffffff ;
background-repeat: no-repeat;
background-position: top 15% right 55%, bottom right;
background-size: 100% 100%,50% 100%,40% 40% ;
}