React CSS Basics

Author: HsharmaCoding

information

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+**************************************Basics of CSS**********************************************
+> Styling React Components 
+    1. CSS Stylesheet Regular css stylesheet
+    2. Inline Styling
+    3. CSS Modules 
+    4. CSS in js Libraries  (Styled Components)
+> Here we will cover only first three approaches.
+
+1. CSS Stylesheet (Regular css stylesheet)
+    > src/Components/Stylesheet.tsx 
+    > src/myStyle.css
+    > CSS file has been imported to the Stylesheet.tsx 
+    > Stylesheet Component has been calling from the App.tsx
+        > Applied primay class without condtions.
+        > Applied promary class with props conditionally. props has been passing from the App.tsx
+    > If we want to apply multiple class then we have to use the template litterals.
+        >  <h1 className={`${className} font-xl`}>Multiple Class</h1>
+
+2. Inline Styling
+    > Style name should be in camel case version. (Example: fontSize)
+    > src/Components/Inline.tsx
+    > Inline.tsx component has been used in the App.tsx
+
+3. CSS Modules (Available to react version 2.00 or higher)
+    > There are some file naming convenstions for CSS Modules.
+    > File name must be suffix with .module.css
+    > For example create a two style sheet.
+        > src/applyStyle.css (Regular Stylesheet) 
+        > src/applyStyle.module.css (CSS Modules)
+    > Import regular style sheet in App.tsx 
+        > import '../src/applyStyle.css';;
+    > Import CSS Modules style sheet in App.tsx 
+        > import styles from '../src/applyStyle.module.css';
+    > CSS Modules classes are locally scoped. We can not use the same class in child component.
+      This classes are bind with styles attribues, Means we can access the classes after importing the styles attribute. 
+        > For Example:
+        > We have imported applyStyle.css file in parent component (App.tsx). So all the child
+          component can access the classes of applyStyle.css
+        > Similar we have imported applyStyle.module.css file in parent component (App.tsx). But
+          We can not use it's classes in child component, because to use module.css we have to 
+          import styles attribute then we can access it's classes.
+             
+        
+        
+    
+
+
+
+

react-css-basic-app/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

react-css-basic-app/README.md

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+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.\
+You will also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).