Steps to reproduce the issue

1.Make a clean fresh install of Joomla 3.8.1
2. Select sample data 'Brochure'.
3. After completed installation, add Intro image and Full article image to article "Article 1 Title". (This is default in article sample data)
4. Open this article in frontend in Details View. It should be at this link; yourdomain.com/index.php/news/3-article-1-title

Expected result

Breadcrumbs should be at the bottom

Actual result

Breadcrumbs is wedged at the side

System information (as much as possible)

Additional comments

Spotted by Maradona in https://forum.joomla.org/viewtopic.php?f=706&t=955721

Adding sample text wraps the breadcrumbs to the bottom as expected