style: format code with Prettier

[deepsource-autofix[bot]]

This commit fixes the style issues introduced in 4bf33fc according to the output from Prettier.

Details: None

[what-the-diff[bot]]

PR Summary

• Updated toolbar.css Configuration
  • Modified how the toolbar behaves when interacted with by including multiple design properties. This enhances both visual appeal and user interaction on the toolbar.
• Improved Hover-over Interaction on Toolbar
  • Adjusted the way our toolbar reacts when users hover over it, by modifying several interactive design elements, leading to improved user experience.