mat-icons as a matSuffix or matPrefix in a mat-form-field do not match the material spec · Issue #11046 · angular/components · GitHub
![mat-flat-button, mat-stroked-button] mat-icon within button doesnt align center vertically · Issue #9799 · angular/components · GitHub mat-flat-button, mat-stroked-button] mat-icon within button doesnt align center vertically · Issue #9799 · angular/components · GitHub](https://user-images.githubusercontent.com/13590797/83247146-6be2fa80-a1a3-11ea-923a-125559387f66.png)
mat-flat-button, mat-stroked-button] mat-icon within button doesnt align center vertically · Issue #9799 · angular/components · GitHub
![html - Angular material - mat-icon-button is not base aligned with adjacent element - Stack Overflow html - Angular material - mat-icon-button is not base aligned with adjacent element - Stack Overflow](https://i.stack.imgur.com/olR1l.png)