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Introduction to CSS

Updated onDec 22, 2021byAlan Morel

#css

Prerequisites
Selecting a Text Editor
Basic Setup

CSS exists for one reason and one reason only: to make your pages look all nice and pretty.

CSS, standing for Cascading Style Sheets, is how you tell your browser how to display and style the page. This includes how to layout the page, the color of text, how big the font size is, and much more. Without CSS, the browser would just render HTML documents with the default styles on, but with CSS, we can create magic.

Prerequisites

Intermediate knowledge of HTML, which you can learn from this class on HTML.
A desire to learn CSS and some design.

Selecting a Text Editor

Any editor works, however we recommend using Visual Studio Code. It will run on the operating system you are currently running on, and the syntax highlighting makes writing CSS really painless.

Visual Studio Code

Basic Setup

Create a brand new file in your editor, and put this in:

HTML
<!DOCTYPE html>
<html>
    <head>
        <title>Intro to CSS</title>
    </head>
    <body>
        <h1>I am a header.</h1>
        <h2>I am a subheader.</h2>
        <p>I am a paragraph.</p>
    </body>
</html>

Save this as index.html and if you did this step correctly, open it with your browser and you should see this:

Unstyled HTML document.

If so, congratulations, you are ready to learn CSS!

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Next Lesson »

Lesson #2

Adding CSS Styles to your Page

Learn the many different ways in which you can apply CSS styles to your HTML, including with external, internal and inline styles.

Introduction to CSS

Table of Contents

Prerequisites

Selecting a Text Editor

Basic Setup