CSS Var Negative - CSS

CSS var negative is a CSS feature that allows you to define variables with negative values. This feature is available in CSS3 and above versions.

Syntax

To define a CSS variable with a negative value, use the following syntax:

--variable-name: -value;

Here, --variable-name is the name of the variable and -value is the negative value assigned to the variable.

Example

Consider the following example where we define a CSS variable --negative-margin with a negative margin value:

:root {
  --negative-margin: -10px;
}

.container {
  margin: var(--negative-margin);
}

In this example, the --negative-margin variable is defined with a value of -10px. This variable is then used in the margin property of the .container class. The negative margin will apply a margin on the opposite side of the element.

Usage

CSS var negative can be useful in various scenarios like:

• Creating visually interesting designs by applying negative margins to create overlapping elements.
• Aligning elements to the opposite side of the container by applying negative positioning.
• Creating unique layouts by using negative paddings or margins.

Browser Support

CSS var negative is supported by all modern browsers, including Chrome, Firefox, Safari, and Edge. For compatibility with older browsers, fallback options should be used.

Conclusion

CSS var negative allows you to define variables with negative values, providing flexibility and control over your CSS styling. By leveraging this feature, you can create unique designs and layouts.