SASS Variables

Sass (Syntactically Awesome Style Sheets) is a CSS preprocessor that offers a wide range of features to simplify and streamline your CSS code. Among its most essential features is the use of variables, which enable you to define and manage values that can be reused throughout your stylesheets.

What Are Sass Variables?

Sass variables are user-defined symbols that store data values, such as colors, fonts, and numerical values. These variables act as placeholders for these values, allowing you to reuse them throughout your stylesheet without needing to remember or edit each occurrence individually. Variables are defined using the $ symbol followed by a name and an assigned value.

Declaring Sass Variables

To declare a Sass variable, use the following syntax:

$primary-color: #3498db;
$font-family: 'Arial', sans-serif;
$font-size: 16px;

In this example, we’ve defined three variables: $primary-color, $font-family, and $font-size. You can use these variables later in your stylesheet to apply consistent values to various CSS properties.


Benefits of Using Sass Variables

Consistency and Maintainability

By using variables, you ensure that the same value is applied consistently throughout your stylesheet. This makes it easier to maintain and update your styles since you only need to modify the variable’s value once, and it will automatically propagate to all instances where the variable is used.



Sass variables enhance code readability by giving meaningful names to values. Instead of seeing #3498db multiple times in your code, you’ll see $primary-color, which is more self-explanatory and easier to understand.


Ease of Theming

Variables are particularly useful for theming websites. You can define a set of variables for each theme (e.g., light and dark themes), and switching between themes becomes a matter of changing variable values rather than rewriting entire CSS rules.


Efficient Maintenance

When design decisions change, as they often do in web development, updating a variable’s value is far more efficient than hunting down every instance of a specific value in your stylesheet.


Using Sass Variables

To use a Sass variable, simply reference it where you’d typically use a value in your CSS code. For example:

body {
background-color: $primary-color;
font-family: $font-family;
font-size: $font-size;

Here, we’ve applied the $primary-color, $font-family, and $font-size

variables to style the body element.


In summary, Sass variables are a powerful feature that enhances the flexibility, maintainability, and readability of your CSS code. They allow you to centralize values, making your stylesheets more consistent and easier to manage, especially in larger projects. Incorporating Sass variables into your web development workflow can lead to more efficient and maintainable stylesheets.

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