.period-setting .bo-row-item{margin:0 5px;margin-bottom:5px}.period-setting .flex-group .pre-title{min-width:55px;line-height:32px;text-align:center;max-width:55px;border:1px solid #ccc;border-right:none}.period-setting .flex-group .el-input-group__prepend{width:45px;padding:0 10px;text-align:center}