Responsive design is about creating a website that looks good on all devices. It will automatically adjust for different screen sizes and viewpoints.

Setting the viewpoint

To create a responsive website, add the following code to all your web pages.

HTML Code:

<meta name="viewport" content="width=device-width, initial-scale=1.0">

This will set up the viewport of your page. Which will instruct your browser on how to control the page’s dimensions and to scale.

Responsive images

These are images that scale nicely to fit any browser size. Using the width property If the CSS width property is scaled to 100%, the image will be responsive and scale up and down

HTML Code:

<img src="google.jpg" style="width:100%;">

Responsive Text Size

The text size can be set with a "vw" unit, which means the viewport width". That way, the text will follow the size of the browser window.

HTML Code:

<h1 style="font-size: 10vw"> Hello World</h1>

Media Queries

In addition, to resize text and images, it is also common to use media queries in responsive web pages.

HTML Code:

<style>
    .left, .right {
        Float:left;
        Width: 20%;
    }
    .main  {
        Float: left;
        Width:60%;
    }

    /* use a media query to add a breakpoint at 800px */
    @media screen and (max-width: 800px){
        .left,  .main,  .right {
            Width:100%; /* the width is 100%, when the viewport is 800px or smaller */
        }
    }
</style>

Conclusion

In this article, we discussed what Responsive design means to both the developer and user, why we should always build with responsiveness in mind. We also showed how to write responsive designs for your project.

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