#bbs_contents body ,#primaryContent 
.comment_section,#Content
{
background:
linear-gradient(90deg, #c9b0c4, #beeeaf, #c9b0c4, #beeeaf);
}
#bbs_contents body ,#primaryContent 
.cont_comment,#Content
{
position:relative; width: 560px; left: 0px;
font-weight: bold; color: #000000;
}