Key Concepts

Review core concepts you need to learn to master this subject

<link> Link Element

Purpose of CSS

Write CSS in Separate Files

Write CSS in HTML File

Inline Styles

Separating HTML code from CSS code

Class and ID Selectors

Groups of CSS Selectors

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<link> Link Element

<!-- How to link an external stylesheet with href, rel, and type attributes -->

<link href="./path/to/stylesheet/style.css" rel="stylesheet" type="text/css">

The <link> element is used to link HTML documents to external resources like CSS files. It commonly uses:

  • href attribute to specify the URL to the external resource
  • rel attribute to specify the relationship of the linked document to the current document
  • type attribute to define the type of content being linked
Setup and Syntax
Lesson 1 of 2
  1. 1
    Intro to CSS
    While HTML is the fundamental structure of every web page, it can be visually unappealing on its own. Cascading Style Sheets or CSS is a language we…
    Start
  2. 2
    CSS Anatomy
    The diagram on the right shows two different methods, or syntaxes, for writing CSS code. The first syntax shows CSS applies as a ruleset, while the second shows it written as an inline style….
    Start
  3. 3
    Inline Styles
    Although CSS is a different language than HTML, it’s possible to write CSS code directly within HTML code using inline styles. To style an HTML element, you can add the style attribute directly …
    Start
  4. 4
    Internal Stylesheet
    As previously stated, inline styles are not the best way to style HTML elements. If you wanted to style, for example, multiple elements, you would have to add inline styling to each element manua…
    Start
  5. 5
    External Stylesheet
    Developers avoid mixing code by storing HTML and CSS code in separate files (HTML files contain only HTML code, and CSS files contain only CSS code). You can create an external stylesheet by usin…
    Start
  6. 6
    Linking the CSS File
    Perfect! We successfully separated structure (HTML) from styling (CSS), but the web page still looks bland. Why? When HTML and CSS codes are in separate files, the files must be linked. Otherwise…
    Start
  7. 7
    Review
    Great work so far! By understanding how to incorporate CSS code into your HTML file, as well as learning some of the key terms, you’re on your way to creating spectacular websites with HTML and CSS…
    Start

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