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angular: How to change an imported component's class to change color?

By : Viineet
Date : October 17 2020, 08:10 AM
wish helps you I am using a library ngx-materialize which is built on MaterializeCSS and I am trying to build a navbar: , Try using :host::ng-deep construct when defining your CSS rule.
code :
:host::ng-deep nav {
  background-color: // your choice of colour;

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React JS - how use/change states or function with imported Components

By : Rafael Faez Souza
Date : March 29 2020, 07:55 AM
like below fixes the issue I'm not 100% sure what you are asking, but I think what you want is something like this:
code :
class FirtstComponent extends React.Component {
    state = {
        mystate: false

    const myFunction = () => {
        this.setState({ mystate: true })

    render() {
      return (
        <SecondComponent function={myFunction} />

export default class SecondComponent extends React.Component {
    render() {
      return (
        <div onClick={this.props.function} />

How to change the header color with App layout of angular components in AngularDart

By : blondnj
Date : March 29 2020, 07:55 AM
it fixes the issue
If you add the style to a parent component (AppComponent) you can use ::ng-deep to pierce through component style encapsulation boundaries (from parent into children)
code :
::ng-deep header.material-header {
  background-color: black;
::ng-deep .material-header-row {
  background-color: black;
::ng-deep header.material-header.material-header {
  background-color: black;

Change the color of class on click is not working Angular 2

By : Jin
Date : March 29 2020, 07:55 AM
Hope that helps Add this in your index.html to import bootstrap glyphicons :

how to change to angular material 2 mat-card background color in two different components

By : user1685791
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Without the :host selector, the style is not encapsulated within the component's scope, so CSS rules apply: last one wins. Try:
code :
:host {
    ::ng-deep .mat-card-content {
      background-color: white 

    ::ng-deep .mat-card-content {
      background-color: green 

How do I change the font color using SCSS when it has an imported stylesheet in Angular 8?

By : SeanP
Date : March 29 2020, 07:55 AM
will help you I am not able to change any font/text colors in my div (using the standard methods), and I think the import of "...theme.scss" is blocking these changes (?), I have never used SCSS. Specifically I want to change just the phone numbers (all) text to red. I can make other changes, so I know the .scss is hooked up. I would like to add the red text to an existing style if possible. , This should work... in component.scss file
code :
.red-text {
color: red;

<a href="tel:1-800-123-4567" class="red-text">1-800-123-4567</a>
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