add task solution

[fedorova-daryna]

• DEMO LINK

у файлі readme.md немає посилання на test link

[mateacademy-ai-mentor]

Review Summary

I am requesting changes because there are still critical issues that affect both task requirements and the BEM checklist. Functionally, your @keyframes rotate currently overrides the base transform on .stopwatch__hand, so the hands’ centering and top starting position are not consistently preserved during the animation; to fix this, ensure every keyframe uses a transform that includes both translateX(-50%) and rotate(...) (e.g., from { transform: translateX(-50%) rotate(0deg); } to { transform: translateX(-50%) rotate(360deg); }). From a BEM standpoint, inside the .stopwatch--speed-up modifier block you are styling elements via .stopwatch__hand--seconds and .stopwatch__hand--minutes, which is explicitly listed as a “typical mistake” and violates [CHECKLIST ITEM #3]; instead, either introduce element modifier classes (like stopwatch__hand--seconds-speed-up) or move the combined selector outside the modifier block, e.g. .stopwatch--speed-up .stopwatch__hand--seconds { ... }. These two points are considered blockers because they break the visual correctness of the stopwatch and fail an explicit checklist item required for completion.

Minor, non-blocking improvements: your PR description is missing the copied checklist with - [x] marks and the standardized demo URL confirmation; updating those will help align with the workflow expectations but won’t affect functionality. Overall, you’re very close—once you fix the transform in the keyframes and adjust the BEM modifier pattern, your solution should meet all the technical and checklist requirements.

---

✨ Please rate this review in the Platform's notification center¹. I will be grateful for your feedback! ✨

Important

Fix the issues, commit the changes, and then re-request my review using the Re-request review button² in the Reviewers tab.

Tip

If you have any comments about this review, please leave a message in the Add a comment section below and mention me with the @mateacademy-ai-mentor tag³.
I will read your message during my next review of your pull request. Please do not reply directly to my comments, as that feature is not supported yet.

Caution

Do not close the pull request until the review is complete. Closing it early can lead to unexpected behavior and disrupt the review process.

Footnotes

1. Rate AI review example ↩

2. Re-request AI review example ↩

3. Add AI review comments example ↩

[mateacademy-ai-mentor]

In @keyframes rotate you set transform: translateX(-50%) rotate(...), but .stopwatch__hand already has a transform: translateX(-50%); since transform is a single composite property, the keyframe values completely override the base transform. This means the hands’ centering/position is driven only by the keyframes and not the base rule. To keep the hands correctly centered at the top while rotating, ensure the transform used in animation consistently includes both translation and rotation from the start, and avoid conflicting base vs. animated transform definitions.

[mateacademy-ai-mentor]

Review Summary

Your solution is approved because the stopwatch implementation meets all core functional and visual requirements, and behaves correctly in both normal and speed-up modes. The stopwatch is properly centered, sized to 80vmin x 80vmin, and styled with the required dotted circular border, while the minute and second hands have the exact specified dimensions, colors, and start position at the top. The CSS animations use from/to keyframes with transform: translateX(-50%) rotate(...), the seconds hand rotates smoothly in 60 seconds, and the minutes hand uses steps(60) over 3600 seconds, satisfying the animation and timing constraints. The stopwatch--speed-up modifier correctly changes durations to 10 seconds and 10 minutes via combined selectors like .stopwatch--speed-up .stopwatch__hand--seconds, which aligns with BEM best practices and avoids the typical nesting mistake [CHECKLIST ITEM #3].

The remaining gaps are in the PR description rather than the code: you still need to ensure the demo URL follows the exact required template with your username substituted, and that the task checklist is copied into the PR body with - [x] marks for completed items [CHECKLIST ITEM #1, #2]. These are important for process compliance but they don’t block the functionality of your solution itself. Overall, you’ve done a solid job aligning the implementation with the task description and checklist; just be careful to mirror the required PR description format on future tasks as well.

---

✨ Please rate this review in the Platform's notification center¹. I will be grateful for your feedback! ✨

Footnotes

1. Rate AI review example ↩