#bbs_contents body ,#primaryContent 
.comment_section,#Content
{
background:
linear-gradient(90deg, rgba(0, 221, 0,.2), rgba(255, 204, 255,.4), rgba(0, 221, 0,.2));
}
#bbs_contents body ,#primaryContent 
.cont_comment,#Content
{
position:relative; width: 500px; left: 0px;
font-weight: bold; color: #000000;
}