Coding Challenge: Change Add to Cart Button Blue

Web Development Ecommerce

Sep 30, 2026 · 5 min read

Coding Challenge: Change Add to Cart Button Blue

A simple task of changing a "Add to Cart" button color to blue is proving much more difficult. Web developers are sharing the challenge, which isn’t as straightforward as it seems.

The coding challenge is simple: change the color of an "Add to Cart" button to blue, without altering any other element of the web page. Makes it sound easy. But as users have discovered making it a viral challenge, it's anything but. Edward Builds has turned this frustration into a humorous moment of web development. In a recent video, "You will never have a site get your blood boiling as much as this one", he showcased the challenge in a way that has resonated with developers and non-developers alike. Edward shared his goal: "Make the add to cart button blue. Don't let Claude change anything else," highlighting the complexity of this seemingly straightforward task.

The Peculiar Challenge

The challenge Owen presented is often referred to as the "Add to Cart" dilemma. It highlights a unique frustration in software development. The "Add to Cart" button puzzle involves making a specific change—turning the button blue without affecting other UI components. At first glance, a task anyone thinks as simple, but in the reality of coding it becomes a nightmare. The challenge is set off by a lack of granular control over styling and the interconnected nature of web elements. "When you ask it to change the button color, it actually changes both the buttons' color on the page", explained Edward. The particularity lies in the task's specificity. It's not just about changing a button color, but doing so without triggering a cascade of unintended changes. Edward clarifies that Claude, an AI language model, is typically capable of handling text generation or translation. However, it struggles with the precise nature of this task. To Claude, a change is a change, and it does not understand that specific conditions and limits need to be applied to the task.

The Virality of Coding Frustrations

The coding challenge has reached viral status, highlighting an interesting cultural phenomenon. The frustration and humor resonate with many who have experienced the quirks of web development. The challenge serves as a reminder that, despite advancements in technology, some tasks remain complex and nuanced. When users attempt the challenge, they find that making a singular UI change often affects multiple elements, highlighting the interconnectedness of modern web design. The challenge has also generated interest in developer communities, sparking conversations and collaboration.

The Science of Unexpected Changes

There are numerous steps involved in making a single change. Firstly, it's a battle between CSS and HTML frameworks. Override the default styling? That's easy, sure, but how? Using inline styles is a quick fix, but it's not the cleanest solution. Moreover, it doesn't solve a deeper problem. The default styling must be overridden. Using a CSS class is more elegant. However, it's a solution that's not always effective. Since CSS rules cascade, changing one element could inadvertently affect others. Users can also overwrite the default styles through an over-the-counter rewrite. This would require a detailed understanding of the entire codebase. However, it's a labor-intensive process.

Claude's Limitations

The task exposes the strengths and weaknesses of Claude, the language model created by Cedded. The language model's ability comes down to the nuances of the task. Claude can generate human-like text, translate languages, or even write code. But in this instance, it struggles with the specifics of the challenge. The challenge shows the language model's limitations in understanding the specific requirements of a task — particularly one that involves intricate design changes. People see the failure as a joke, but it also serves as a reminder that language models, while remarkable, are not omniscient.

The Power of Simple Challenges

The task is what makes the challenge interesting. Adding to this, there's the aspect of humor. Who among us hasn't tried to change a button color, only to have half our webpage turn blue. It’s a universal experience that resonates with developers and non-developers alike. The response to the challenge highlights the power of community in problem-solving. People shared their own solutions, leading to a collaborative effort to tackle the problem. The challenge has also sparked discussions about the role of AI in web development. People have debated whether AI should be used for coding tasks or if it should be left to human developers.

Should You Take Any Bets?

If you’re embarking on this challenge, expect a steep learning curve. Edward's advice is clear: start with a simple project and gradually increase the complexity. Take the time to understand the codebase and the nuances of CSS and HTML. Consider using a framework if you’re new to web development. Frameworks provide a structured approach to building web applications, making it easier to make specific changes. Be ready for unexpected changes. The nature of web development means that changes can have ripple effects. You need to be prepared to iterate and test your changes repeatedly. Lastly, leverage the community. The opportunity to collaborate and learn from others is invaluable.

The Unexpected Value of Web Development

If you make the challenge to see the absurdity of its difficulty, you get overwhelmed with emotions. But isn't it amazing how a simple web button can spark such a lively debate? The nature of "Add to Cart" dilemmas might be frustrating, but it serves as a reminder of the complexity and nuance of web development. The response also highlights the power of community and collaboration in problem-solving. Frustrations aside, there’s value in the unexpected lessons learned.

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Questions readers ask

What exactly is the 'Add to Cart' coding challenge?

The 'Add to Cart' coding challenge involves changing the color of an 'Add to Cart' button to blue without altering any other elements on the web page. It's designed to highlight the complexities and frustrations of web development, where even simple changes can have cascading effects.

Why is changing the button color so difficult?

Changing the button color is difficult because of the interconnected nature of web elements and the lack of granular control over styling. A small change can often affect multiple parts of the page, making it a complex task to isolate the button and change its color without unintended consequences.

What role does Claude play in this challenge?

Claude, an AI language model, is mentioned as struggling with this task because it doesn't understand the need for specific conditions and limits. It sees a change as a change, and doesn't grasp the nuances of maintaining other elements unchanged.

Can I use inline styles to solve this problem?

Yes, you can use inline styles as a quick fix, but it's not the cleanest solution. It doesn't address the deeper problem of cascading styles and can make the codebase messy over time.

What are some of the steps involved in making this change?

Making this change involves battling between CSS and HTML frameworks. You might need to override default styling, which can be done through inline styles, CSS classes, or a detailed codebase rewrite. Each method has its trade-offs in terms of effectiveness and cleanliness.

How has this challenge become so popular?

The challenge has gone viral because it resonates with many developers and non-developers who have experienced similar frustrations. It highlights the quirks of web development and has sparked conversations and collaboration within developer communities.

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