.extended-bg{position:relative}.extended-bg,.extended-bg:after{background:var(--extendedBgColor)}.extended-bg:after{border-block:1px solid var(--extendedBgColor);content:"";height:100%;left:50%;position:absolute;top:0;transform:translateX(-50%);width:100vw;z-index:-1}#maincontent.last-extended-bg{padding-block-end:0!important}