.activity-list{list-style:none;padding:0}.activity-list li{padding:10px 0;border-bottom:1px solid #eee}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.dot.red{background:#ff4d4f}.dot.blue{background:#1677ff}.dot.green{background:#52c41a}.unread{font-weight:600}