#app{width:100%;height:100vh;margin:0;padding:0}.el-dialog__header{position:relative!important}.el-dialog__header,.el-dialog__headerbtn{display:flex!important;align-items:center!important}.el-dialog__headerbtn{position:absolute!important;top:0!important;bottom:0!important;right:16px!important;left:auto!important;margin:auto 0!important;height:28px!important;justify-content:center!important}