![broken .card-header rendering on google chrome when background-color is customized · Issue #24258 · twbs/bootstrap · GitHub broken .card-header rendering on google chrome when background-color is customized · Issue #24258 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/141107/31217272-bb1b6d2c-a9b6-11e7-843d-1eee0b8793ea.png)
broken .card-header rendering on google chrome when background-color is customized · Issue #24258 · twbs/bootstrap · GitHub
Tabs border color on card header should be match the card border color? · Issue #28837 · twbs/bootstrap · GitHub
![css - (Bootstrap 4) Card borders rendered bad/different when used together with bg-color - Stack Overflow css - (Bootstrap 4) Card borders rendered bad/different when used together with bg-color - Stack Overflow](https://i.stack.imgur.com/w51je.png)
css - (Bootstrap 4) Card borders rendered bad/different when used together with bg-color - Stack Overflow
![Tabs border color on card header should be match the card border color? · Issue #28837 · twbs/bootstrap · GitHub Tabs border color on card header should be match the card border color? · Issue #28837 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/4065765/58498278-b14ba100-81b8-11e9-9545-2e4a24149808.png)
Tabs border color on card header should be match the card border color? · Issue #28837 · twbs/bootstrap · GitHub
![transparency - css bootstrap card header transparent not inherit parent background colour - Stack Overflow transparency - css bootstrap card header transparent not inherit parent background colour - Stack Overflow](https://i.stack.imgur.com/14P1R.png)