Remove an unused css line

[SirBruno]

Proposed changes

Remove a css line that is getting overwritten by the following line on the same block.

Screenshots (if appropriate) or codepen:

Types of changes

• [x ] Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to change).

Checklist:

• [ x] I have read the CONTRIBUTING document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.