(Bug) The examples is not displayed correctly as on the material.angular.io

[long20014]

Reproduction

Use StackBlitz to reproduce your issue: https://stackblitz.com/edit/angular-testign?file=src%2Fapp%2Fapp.component.html

Steps to reproduce:

1. Install angular/material using npm
2. Import neccessary modules as the instructions
3. Copy the example on material.angular.io to test

Expected Behavior

What behavior were you expecting to see?

• Display exactly what is being shown on material.angular.io example.

Actual Behavior

What behavior did you actually see?

• The result on stackblitz link.

Environment

"@angular/animations": "^8.0.0 || ^9.0.0-0",
"@angular/cdk": "8.2.3",
"@angular/common": "^8.0.0",
"@angular/compiler": "^8.0.0",
"@angular/core": "^8.0.0",
"@angular/material": "^8.2.3",
"@angular/platform-browser": "^8.0.0",
"@angular/platform-browser-dynamic": "^8.0.0",

• Operating System (e.g. Windows, macOS, Ubuntu): Window 10

[long20014]

The material downloaded does not have the css classes as presented on material.angular.io examples

[manklu]

You must include a theme in your project. If you use the CLI to add material this will be done automatically.

[long20014]

@manklu Ok, thanks

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