.el-carousel__item h3{color:#475669;font-size:18px;line-height:0px;margin:0;opacity:1;position:absolute;text-align:center;top:50%;width:100%;z-index:100}.el-carousel__item:nth-child(2n){background-color:#99a9bf}.el-carousel__item:nth-child(odd){background-color:#d3dce6}.el-col{margin-bottom:20px}