css - Angular 2 Material: Sidenav how to remove backdrop -

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so using angular cli material design. trying rid of backdrop sidenav , thought simple 

.mat-sidenav-backdrop.mat-sidenav-shown{     background-color: transparent !important; }

however isn't having affect. have tried display none, visibility hidden, etc. seems style backdrop being put out inline tag , have thought important override it. isn't working... have ideas don't involve me stripping out backdrop tag/ altering styles via javascript during rendering?

::ng-deep works great in case, maybe depreciated going forward. recommended way use viewencapsulation.

in component, add following encapsulation:

import { viewencapsulation } from '@angular/core';  @component({     ....     encapsulation: viewencapsulation.none })

then css work , override styles custom styles.

.mat-sidenav-backdrop.mat-sidenav-shown{     background-color: transparent !important; }




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