extra.less şablonunuzun en sonuna ekleyin;
@timelinebg: @xf-contentHighlightBg;
@eventbg: xf-intensify(@xf-contentHighlightBg, 3.5%);
.timeline
{
position: relative;
max-width: 1200px;
margin: 0 auto;
background: @timelinebg;
color: contrast(@timelinebg);
&:after
{...