.copy-btn-box{display:flex;flex-direction:row;justify-content:flex-end;align-items:flex-end;margin-top:10px}.form-render-preview{min-height:600px}.form-render-preview .el-tab-pane{height:500px;overflow:auto}.add-paddding{padding:20px 30px}.design-preview .item-main{height:calc(100vh - 140px);overflow:auto;background:#eee}.my-form-container{width:24cm;padding-top:1.5cm;background:#fff;margin:1.5rem auto}