.selectContent {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.selectContent .el-transfer-panel {
  width: 300px;
  height: 500px;
}
.selectContent .el-transfer-panel__list.is-filterable {
  height: 395px;
}
.selectContent .el-dialog__footer {
  text-align: center;
}