message: let the toolbar elements to be overflowable
diff: display: flex;
  flex-direction: column;
  flex: 1;
  + overflow-x: hidden;
  }
  .graphiql-container .title {
  .graphiql-container .topBarWrap {
  display: flex;
  flex-direction: row;
  + overflow-x: hidden;
  }
  .graphiql-container .topBar {
  