Difference between CSS and JavaScript

Difference Between CSS and SCSS

Last Updated : 15 Jan, 2025

CSS is a stylesheet language whereas SCSS is a preprocessor scripting language that is a superset of CSS. This article will cover the detailed differences between CSS and SCSS.

CSS

CSS (Cascading Style Sheets) is a stylesheet language for designing the layout of web pages.
It is simple to use and follows a cascading hierarchy to apply styles to HTML elements.

HTML

<html>
<head>
    <style>
        h1 {
            color: darkblue;
            text-align: center;
        }
    </style>
</head>
<body>
    <h1>Welcome to CSS</h1>
</body>
</html>

SCSS

SCSS (Sassy CSS) is a preprocessor scripting language that extends CSS with features like variables, nesting, and mixins.
It makes stylesheets more maintainable and efficient to write.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>SCSS Example</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div class="box">This is styled using SCSS</div>
</body>
</html>

SCSS File (styles.scss):

SCSS

$box-color: lightcoral;
$text-color: white;

.box {
    width: 200px;
    height: 100px;
    background-color: $box-color;
    color: $text-color;
    text-align: center;
    line-height: 100px;

    &:hover {
        background-color: darkred;
    }
}

Compiled CSS (styles.css):

CSS

.box {
    width: 200px;
    height: 100px;
    background-color: lightcoral;
    color: white;
    text-align: center;
    line-height: 100px;
}

.box:hover {
    background-color: darkred;
}

Differences between CSS and SCSS

	CSS	SCSS
Definition	Cascading Style Sheet is a stylesheet language used to define the presentation and layout of a webpage written in HTML or XML.	Syntactically Awesome Style Sheet SCSS (Sassy CSS) is a preprocessor scripting language that is a superset of CSS.
Syntax	CSS follows a plain-text syntax	SCSS follows a structured syntax with additional features such as variables, nesting, and mixins.
Variables	CSS uses plain text and keywords for styling	SCSS allows you to define variables to store commonly used values such as colors, font sizes, and spacing
Nesting	CSS requires you to write each selector separately.	SCSS allows you to nest selectors within other selectors, making it easier to write and read complex stylesheets,
Mixins	CSS does not provide functionality to use Mixins	SCSS allows you to create reusable code snippets using mixins, which are like functions in programming languages.
File Extension	CSS files use the .css file extension	SCSS files use the .scss file extension.
Compilation	CSS files are interpreted by web browsers directly	SCSS files must be preprocessed into standard CSS files using a preprocessor such as Sass
Features	CSS Does not use additional features	SCSS contains all the features of CSS and contains more features that are not present in CSS

Difference Between CSS and SCSS

Difference between CSS and JavaScript

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