.sidebar{background:#fff;border-bottom-left-radius:1rem;border-top-left-radius:1rem;padding:1rem;position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:100}.sidebar h2{font-size:1.5rem;margin-bottom:2rem}.sidebar ol{list-style:none}.sidebar ol li{margin:1rem 0}.sidebar>div>ol{list-style:none;padding-left:2rem;position:relative}.sidebar>div>ol:before{background:#eee;border-radius:4px;content:"";display:block;height:100%;left:0;position:absolute;top:0;width:7px}.toc-list-item{line-height:1.2;position:relative}.toc-link:before{background-color:#039;border-radius:50%;height:15px;left:calc(-2rem - 5px);opacity:0;top:0;width:15px}.toc-link.is-active-link:before{opacity:1}.toc-link.is-active-link{letter-spacing:-.6px}