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Struggling with a non-responsive HTML and CSS page? Learn how to make your website mobile-friendly with simple tips and code adjustments.
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This video is based on the question https://stackoverflow.com/q/66528268/ asked by the user 'Usama Altaf' ( https://stackoverflow.com/u/11647620/ ) and on the answer https://stackoverflow.com/a/66528392/ provided by the user 'chuve' ( https://stackoverflow.com/u/1349974/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Fix Your Non-Responsive HTML + CSS Page for Mobile Devices

Many new developers face the daunting challenge of making their web pages responsive, especially as people increasingly rely on mobile devices for browsing the internet. A common question that arises is: Why is my HTML page not responsive on mobile devices?

In this guide, we'll explore the problem and guide you through a simple yet effective solution to make your page mobile-friendly.

The Problem

When new developers create websites, they may not always realize that certain layout settings can restrict how a webpage displays on different screen sizes. This often results in a website that looks great on a computer but fails to adapt to smaller mobile screens.

In this particular case, the user presented an HTML page with the following HTML and CSS code causing responsiveness issues:

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The presence of col-9 (from Bootstrap) specifies a certain width that can inhibit the layout from adjusting properly on mobile devices.

The Solution

To ensure your HTML page is responsive and adapts to various screen sizes, you need to remove the restrictive classes like col-9 and col-8. Here’s how to effectively tackle the issue:

Step 1: Remove Width Constraints

Identify and Remove Unnecessary Classes:
Open your HTML code and look for <div class="col-9"> or <div class="col-8"> elements within the container. Delete these classes to allow the div elements to adapt freely to their parent container.

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Step 2: Adjust CSS Styles

Revising CSS Files:
After removing the restrictive classes, adjust the CSS styles accordingly if any styles were dependent on those classes. Specifically, ensure that margins and paddings can auto-adjust according to the screen size.

Using Flexbox:
You can employ Flexbox properties to maintain a responsive layout without defining a specific width.

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Step 3: Utilize Media Queries

To finely tune responsiveness on various screen sizes:

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This snippet allows you to add special styles that only apply when the viewport width is less than or equal to 768px.

Conclusion

Creating a responsive website may seem overwhelming, but using a few simple techniques can significantly enhance usability on mobile devices. By removing restrictive classes, adjusting your CSS, and incorporating media queries, your HTML page can transform into a mobile-friendly design, ready for users on the go.

If you encounter further issues, don't hesitate to explore additional resources or reach out to the web development community online. Happy coding!