This question is related to Angular 2+ and the @angular/flex-layout package.
When trying to use fxFlex="30"
for example, CSS styles are not being applied to elements.
<mat-toolbar fxFlex="30" color="primary">
<h2>Uh-oh</h2>
</mat-toolbar>
Make sure you import the module in app.module.ts
like so:
import { FlexLayoutModule } from '@angular/flex-layout';
and also add it to imports in @NgModule
.