style: format code with Prettier

[deepsource-autofix[bot]]

This commit fixes the style issues introduced in 09aa137 according to the output from Prettier.

Details: None

[what-the-diff[bot]]

PR Summary

• Improvement of Code Readability in toolbar.css The toolbar.css file has been updated to improve the readability of the code. This helps anyone who looks at the code to understand it better, simplifying future modifications or debugging if necessary.

• Enhanced Transition Properties for #PersonalToolbar Our development team did a fantastic job enhancing the transition features of the #PersonalToolbar element. Now, multiple properties are defined on separate lines, making it easier to understand and manage in the long run.

• Added Descriptive Comments This Pull Request also adds significant explanatory comments within the toolbar.css code. These comments will clarify the purpose of different styles, supporting future developers who might work on these pieces and reducing the potential for misunderstandings or mistakes.