Progress meter exceeds container width where progress is over 100%

[armandfardeau]

This is a Bug Report

🎩 Description

For bug reports:

• What went wrong?
  Progress meter exceeds container width where progress is over 100%
• What did you expect should have happened?
  Progress meter should not exceeds container width where progress is over 100%
• What was the config you used?
  0.12-stable on dev app

📋 Additional Data

• Decidim deployment where you found the issue:
• Browser & version:
  Chrome67
• Screenshot:
  

[armandfardeau]

See PR here : decidim#3952