#bbs_contents body ,#primaryContent
.comment_section,#Content
.box_section,#Content
{background:
url(https://t1.daumcdn.net/cfile/cafe/990667335A0D47742A),
radial-gradient(red, yellow 10%, #289AFF 50%, #FFFFFF ); 
background-repeat: no-repeat;
background-position: bottom right;
background-size: 100% 100%;}
#bbs_contents body ,#primaryContent
.cont_comment,#Content{
position:relative; width:35% ;left: 10% ; 
font-weight:bold; color: #000000 ;}