breadcrumb is not displayed correctly for long path

[PavelD]

Describe the bug On small displays long path is not correct. The backgoroud element stick on 1st line and text overflow to the other elements.

To Reproduce

• create breadcrumb object with many links inside *create siimple-box--primary right after for better demonstration
• Try to read and navigate to the links in the end of the list

Expected behavior

• links are readable
• The siimple-breadcrumb div element will be extended to more lines.

Screenshots or Project link

• The number of the links in demo has been extended to demonstrate the issue on big screens as well as on the small mobile.
• Live demo of the issue: https://liveweave.com/gWtzFJ

Desktop (please complete the following information):

• OS: windows 7
• Browser: Firefox
• Version: 78.5.0esr

Smartphone (please complete the following information):

• Device: some low cost Vodafone
• OS: android
• Browser: chrome
• Version: 87