#app,body{height:100%;width:100%;position:absolute}body{overflow:auto;margin:0;color:rgba(0,0,0,.65);font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;font-variant:tabular-nums;line-height:1.5;background-color:#fff;-webkit-font-feature-settings:"tnum";font-feature-settings:"tnum"}.form-app-preview{height:auto!important}.preview-button{margin:10px}