body, #primaryContent
{ background-image:
linear-gradient(90deg, transparent, transparent),
url("https://t1."),
url(https://t1.daumcdn.net/cafeattach/1LnGx/37ab9e91213caf858c3d44da8088eb15868fca29),
url(https://t1.daumcdn.net/cafeattach/1LnGx/66bf0a0edacd833c45b91024533a8afe2634f654);
background-attachment: fixed;
background-color: #ffffff ;
background-repeat: no-repeat;
background-position: top 0% right 0%, top 0% right 0%, bottom right;
background-size: 100% 100%,0% 0%, 60% 100% ;
}