image-slot{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:100%;height:100%;background:#f5f7fa;color:#909298;font-size:30px}.tools,image-slot{display:-webkit-box;display:-ms-flexbox;display:flex}.tools{position:absolute;left:0;top:0;right:0}.tools>div{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1}.tools button{margin:12px 16px}.el-col{margin-bottom:10px}