![bug(mat-expansion-panel): Focus and hover backgrounds cannot be overridden in CSS · Issue #18920 · angular/components · GitHub bug(mat-expansion-panel): Focus and hover backgrounds cannot be overridden in CSS · Issue #18920 · angular/components · GitHub](https://user-images.githubusercontent.com/17689719/77585140-4e17c180-6ee4-11ea-8c8f-6514bc653429.png)
bug(mat-expansion-panel): Focus and hover backgrounds cannot be overridden in CSS · Issue #18920 · angular/components · GitHub
Feature request - expansion panel option to only expand/collapse on ▽ or △ · Issue #8190 · angular/components · GitHub
![angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow](https://i.stack.imgur.com/Y8Pe2.png)
angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow
![angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow](https://i.stack.imgur.com/agQM0.png)
angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow
![mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub](https://user-images.githubusercontent.com/3027415/94566715-f24f3c00-026a-11eb-9c09-139061cd4181.png)
mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub
Feature request - expansion panel option to only expand/collapse on ▽ or △ · Issue #8190 · angular/components · GitHub
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