ng add @angular/material does not add styles to the app

Bug, feature request, or proposal:

When running ng add @angular/material on a new Angular app generated with Angular CLI v6 the styles are not applied.

What is the expected behavior?

The Angular Material stylesheet ‘indigo-pink’ gets applied.

What is the current behavior?

The stylesheet does not get applied.

Also, the schematic seems to update node_modules/@angular/material/prebuilt-themes/indigo-pink.css instead of src/styles.{ext} by adding body { margin: 0; }.

 ng add @angular/material
Installing packages for tooling via npm.
npm WARN @angular/material@6.0.0 requires a peer of @angular/cdk@6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.3 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

+ @angular/material@6.0.0
added 1 package in 16.059s
Installed packages for tooling via npm.
UPDATE package.json (1390 bytes)
UPDATE angular.json (3766 bytes)
UPDATE src/app/app.module.ts (423 bytes)
UPDATE src/index.html (483 bytes)
UPDATE node_modules/@angular/material/prebuilt-themes/indigo-pink.css (56678 bytes)

What are the steps to reproduce?

Providing a StackBlitz reproduction is the best way to share your issue.
StackBlitz starter: https://goo.gl/wwnhMV

What is the use-case or motivation for changing an existing behavior?

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

ng --version

     _                      _                 ____ _     ___
    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/


Angular CLI: 6.0.0
Node: 10.0.0
OS: linux x64
Angular: 6.0.0
... animations, cli, common, compiler, compiler-cli, core, forms
... http, language-service, material, platform-browser
... platform-browser-dynamic, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.6.0
@angular-devkit/build-angular     0.6.0
@angular-devkit/build-optimizer   0.6.0
@angular-devkit/core              0.6.0
@angular-devkit/schematics        0.6.0
@angular/cdk                      <error>
@ngtools/webpack                  6.0.0
@schematics/angular               0.6.0
@schematics/update                0.6.0
rxjs                              6.1.0
typescript                        2.7.2
webpack                           4.6.0

 npm show @angular/material

{ name: '@angular/material',
  description: 'Angular Material',
  'dist-tags': { latest: '6.0.0', next: '6.0.0' },

Is there anything else we should know?

[jerryorta-dev]

The output can be a little misleading, but the styles are added to the angular.json file as

...
"styles": [
              {
                "input": "node_modules/@angular/material/prebuilt-themes/indigo-pink.css"
              },
              "src/styles.scss"
            ]
...

The cli will process the theme with your styles when served / built.

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