#bbs_contents body ,#primaryContent 
.comment_section,#Content
{
background:
url(https://t1.daumcdn.net/cafeattach/1MThB/7fceacb53bab9781ef3d5fed56ea29f4d68766db),
linear-gradient(90deg,#ffffff, #b5c6ca);
background-attachment: fixed;
background-repeat: repeat-y;
background-position: top left 280px, bottom right;
background-size:580px 680px, cover;}
.cont_comment,#Content
{
position:relative; width:580px;left:0%;
font-weight:bold; color:#FFFFFF;
}