### Steps to reproduce

1. Login as a user with permissions to manage time and costs

2. Go to Project > Time & Costs

3. Either create and save a new report or open an existing report

4. Scroll down to the Delete button and click on Delete


### What is the buggy behavior?

* Delete buttons are not in the correct color

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/203791/content">


### What is the expected behavior?_:_

1. Begin of the insertionThe delete button in the popupEnd of the insertion Begin of the deletion Delete buttonsEnd of the deletion should be Begin of the insertionred.End of the insertion Begin of the deletion redEnd of the deletion


### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/203794/content">

### Environment information

**OpenProject version**

Core build

[9ec34f08cef486d5018cf4718cf7ad5b9063b668](https://github.com/opf/openproject/commits/9ec34f08cef486d5018cf4718cf7ad5b9063b668)

Product version

[53279a5496dd28cb2fc107a8a6e495057d3ceae1](https://github.com/opf/saas-openproject/commits/53279a5496dd28cb2fc107a8a6e495057d3ceae1)

Core version

OpenProject 15.0.0

**Browser**

* [ ] Chrome
* [x] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Operating System**

* [x] Windows
* [ ] Mac OS X
* [ ] Mobile iOS
* [ ] Mobile Android
* [ ] Linux (please specify distro)
* [ ] Chrome OS
* [ ] Other (please specify)