The Dangers of Using !Important in CSS: Why It Should Be Avoided
Tags: css, frontend, productivity, webdev
Published: 2023-09-25 12:28:13

---
title: The Dangers of Using !Important in CSS: Why It Should Be Avoided
published: true
tags: css, frontend, productivity, webdev
canonical_url: https://blog.timonwa.com/the-dangers-of-using-important-in-css-why-it-should-be-avoided
cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/mjz7x8dwts3al4cfjfdw.jpeg
description: While !important can override all other styles, it can create cascading issues, specificity wars, code duplication, inflexibility, and code readability problems. Learn why !important should be avoided, except as a temporary debugging tool, to keep your CSS clean and easy to maintain.
series: The Productive Developer
---

CSS is a vital part of modern web development, responsible for how a website looks and feels. It defines the visual appearance of a website and enables developers to create beautiful and engaging web pages. However, there are some advanced features in CSS that, when misused, can lead to complications, including the use of !important.

!important is a CSS declaration that is used to override all other style declarations for a particular element. This declaration takes precedence over all other styles and is given the highest priority in determining the final appearance of an element. While it can be tempting to use !important to force specific styling, it should be avoided in most cases as it can create more problems than it solves.

When you use !important, you prevent other styles from modifying that element, which makes it difficult to adjust the styling later. It may seem like a good way to force the look of an element, but it can quickly spiral into a difficult-to-maintain codebase. As a result, debugging the CSS becomes a tedious task.

For instance, imagine you're working on a web page that has some styling issues. You try to change the color of a text, but for some reason, it's not working. You check your CSS files and find out that there is a color property already set for that text. Now, you want to overwrite that color property, so you add another color property and assign it to the color that you want. However, the new property does not take effect, and the text color remains unchanged. In this situation, you may be tempted to use !important to override the existing color property.

However, this solution creates another problem. By using !important, you have created a styling override that is difficult to manage. The next time you want to change the text color, you'll have to remember to remove the !important declaration, or you'll risk accidentally breaking other parts of your website. This scenario demonstrates how the overuse of !important can lead to poor maintenance and debugging of your CSS.

There are instances, however, when !important can be used as a debugging tool. For example, suppose you are experiencing styling issues on a page, and a particular style declaration prevents your changes from taking effect. In that case, you can use !important temporarily to test your new styles without removing the problematic declaration entirely. Once the issue is resolved, you can remove the !important declaration and ensure your CSS is structured correctly.

But it's crucial to remember that !important should only be used as a temporary solution, not a permanent one. Overusing !important can make maintaining and updating your code challenging, leading to a more extended debugging process. Let's discuss some of these problems below.

**Cascading issues** : In a scenario where you use !important in a parent element. It will override any style declarations in its child elements, which can create conflicts and inconsistencies in your website's design.

**Specificity wars** : !important can cause specificity wars in your CSS. When you use !important, you say that this particular style declaration is more important than any other declaration. This can create conflicts when multiple styles are applied to a particular element. The more specific and complex your CSS rules become, the more likely you will have specificity wars.

**Code duplication** : When you use !important, you essentially duplicate code. This can lead to bloated and redundant CSS code. In addition, maintaining and updating your code can be difficult if you have multiple instances of !important declarations throughout your CSS.

**Inflexibility** : When you use !important, you are creating inflexible CSS. This can make it difficult to change your design in the future. If you need to change the styling of an element that has an !important declaration, you'll need to modify the existing declaration, which can be a cumbersome process.

**Code readability** : !important can make your CSS code less readable. When you have multiple !important declarations throughout your CSS, it can be difficult to understand the hierarchy and order of your style declarations.

**Collaboration** : !important can also create problems when working collaboratively on a project. If you're working with other developers or designers, they may not be aware of your !important declarations, which can lead to conflicts and difficulties in merging code.

In conclusion, while !important can be helpful as a debugging tool, it should be used carefully. It's better to structure your CSS in a way that does not rely on !important declarations. It can lead to a cleaner and more maintainable codebase, making your life easier in the long run.

So the next time you're tempted to use !important, think twice before you add it to your code. With well-organized and structured CSS, debugging your code will become easier and quicker, saving you a lot of time and effort in the long run.

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