I've found the corresponding app with the Slack thread in the app store https://marketplace.mendix.com/link/component/116339
Try this structure in your page. One parent container, two containers inside it. and then text widgets in each inner container. I tested this and it works. The text appears in single line like “Bold Text”
Just make these configurations:
Main container:
A different approach would be a look at using something like the HTML Snippet widget in the Marketplace. You could then embed the markup you need directly into the text.
Check out a post on Slack about a similar issue.
https://mendixcommunity.slack.com/archives/CMVNKFMC0/p1606137163345900
Might be of help here.