Multiple mat-vertical-stepper inside Multiple mat-tab making all mat-step open by default · Issue #10979 · angular/material · GitHub
![css - Angular 12 mat-stepper: mat-step-icon-state-number changes its color by condition - Stack Overflow css - Angular 12 mat-stepper: mat-step-icon-state-number changes its color by condition - Stack Overflow](https://i.stack.imgur.com/GQK31.png)
css - Angular 12 mat-stepper: mat-step-icon-state-number changes its color by condition - Stack Overflow
![Angular Material Mat Stepper: Is it possible to have multiple steps being active/shown? - Stack Overflow Angular Material Mat Stepper: Is it possible to have multiple steps being active/shown? - Stack Overflow](https://i.stack.imgur.com/VK6cU.png)
Angular Material Mat Stepper: Is it possible to have multiple steps being active/shown? - Stack Overflow
![css - Angular 12 mat-stepper: mat-step-icon-state-number changes its color by condition - Stack Overflow css - Angular 12 mat-stepper: mat-step-icon-state-number changes its color by condition - Stack Overflow](https://i.stack.imgur.com/wX00T.png)