#bbs_contents body ,#primaryContent 
.comment_section,#Content
{
background:
linear-gradient(86deg, #8cc6d6, #f3e2b6, #f7f29e, #8cc6d6);
}
#bbs_contents body ,#primaryContent 
.cont_comment,#Content
{
position:relative; width: 520px; left: 0px;
font-weight: bold; color: #000000;
}