![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
How can I prevent a mat-expansion-panel from opening when clicked? · Issue #17651 · angular/components · GitHub
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mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub
![mat-expansion-panel example (Self aware panel) on material.angular.io doesn't work · Issue #8567 · angular/components · GitHub mat-expansion-panel example (Self aware panel) on material.angular.io doesn't work · Issue #8567 · angular/components · GitHub](https://user-images.githubusercontent.com/934190/33047821-9c963bbe-ce0c-11e7-85e5-7b134e050236.png)