element-ui/lib/theme-chalk/row.css

.el-row{position:relative;-webkit-box-sizing:border-box;box-sizing:border-box}.el-row::after,.el-row::before{display:table;content:""}.el-row::after{clear:both}.el-row--flex{display:-webkit-box;display:-ms-flexbox;display:flex}.el-row--flex:after,.el-row--flex:before{display:none}.el-row--flex.is-justify-center{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.el-row--flex.is-justify-end{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end}.el-row--flex.is-justify-space-between{-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.el-row--flex.is-justify-space-around{-ms-flex-pack:distribute;justify-content:space-around}.el-row--flex.is-align-middle{-webkit-box-align:center;-ms-flex-align:center;align-items:center}.el-row--flex.is-align-bottom{-webkit-box-align:end;-ms-flex-align:end;align-items:flex-end}