#bbs_contents body ,#primaryContent 
.comment_section,#Content
{
background:
linear-gradient(80deg, #be78ef, #d6d18f, #b7cefd, #be78ef);
}
#bbs_contents body ,#primaryContent 
.cont_comment,#Content
{
position:relative; width: 520px; left: 0px;
font-weight: bold; color: #000000;
}