Text disappearing phenomenon

When the task gets smaller, the text inside is invisible. Is there any way to make it visible?

Hello Seungmin,
Unfortunately, I couldn’t reproduce that in our sample:
So, I think it is related to styles.

I have the following sample where the text can be moved to the right side if it is too long to be displayed in the bar:

If that doesn’t help you, please, add your configuration in the following snippet and make sure that the issue is reproduced there:
Then, click on the Share button and send me the link.
Or send me a ready demo with all the necessary Javascript and CSS files so that I can reproduce the issue locally.

Thank you. Thanks solved the problem.