#bbs_contents body ,#primaryContent
.comment_section,#Content
{
background:
url(https://t1.daumcdn.net/cafeattach/1LnGx/3d1eaa950d0c62cb4631c75bc0cf1692fdd3532b);
background-attachment: fixed;
background-repeat: repeat-y;
background-position: bottom left 600px;
background-size: 400px ;
}
#bbs_contents body ,#primaryContent
.cont_comment,#Content
{
position:relative; width:800px;left:0px;
font-weight:bold; color:#000000;
}