CSS minification issue with v12.0.1 and ngx-toaster

[mohamed-badaoui]

🐞 Bug report

Command (mark with an x)

• build

Is this a regression?

yes

Yes, the previous version in which this bug was not present was: 12.0.0

Description

I upgraded @angular/cli / @angular-devkit/build-angular from v12.0.0 to v12.0.1, and used with package ngx-toaster (https://github.com/scttcper/ngx-toastr)

But one of css rule of this toaster is

.toast-container{z-index:999999}

and it is minified wrongly to:

.toast-container{ z-index:#999 }

No issue with @angular/cli / @angular-devkit/build-angular v12.0.0

[alan-agius4]

Duplicate of #20870

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