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Intro to Computingfundamentals~10 mins

CSS for styling web pages in Intro to Computing - Flowchart & Logic Diagram

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Process Overview

CSS (Cascading Style Sheets) is used to add colors, fonts, layouts, and spacing to web pages. It works by selecting HTML elements and applying style rules to change how they look.

Flowchart
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Rectangle
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Diamond
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Rectangle
This flowchart shows the steps of using CSS: writing style rules, linking them to HTML, the browser reading the CSS, and applying styles to the web page.
Step-by-Step Trace - 5 Steps
Step 1: Write CSS rules to set background color and font size
Step 2: Link the CSS file to the HTML page using a <link> tag
Step 3: Browser reads the HTML and CSS files
Step 4: Browser applies CSS styles to matching HTML elements
Step 5: Display the styled web page to the user
Diagram
HTML Document
  |
  |-- <head>
  |     |-- <link rel="stylesheet" href="styles.css">
  |
  |-- <body>
        |-- <h1>Title</h1>
        |-- <p>Paragraph text</p>

CSS File (styles.css)
  |
  |-- body { background-color: lightblue; font-size: 16px; }
  |-- h1 { color: darkblue; }
  |-- p { color: black; }
This diagram shows how the HTML file links to the CSS file, and how CSS rules target HTML elements to style them.
Flowchart Quiz - 3 Questions
Test your understanding
What is the first step to style a web page with CSS?
AWrite CSS rules defining styles
BOpen the browser developer tools
CCreate an HTML file
DPublish the website online
Key Result
CSS works by writing style rules, linking them to HTML, and the browser applying these styles to change the web page's look.