How can I adjust the size of my elements to be responsive in pixels

While browsing through Quora and Facebook feeds, I noticed the fixed size of user display pictures:

width: 40px;
height: 40px;

Even when resizing the browser window for a responsive design, these pictures maintain their size at 40px x 40px.

What other factors contribute to keeping the pictures' dimensions consistent?

As far as I know, the unit px is not relative to the parent element.

Answer №1

Using pixel ratios in responsive design involves setting pixel density.

One commonly used method is including the following code in the header section of an HTML document:

<meta name="viewport" content="width=device-width">

By adding this tag, devices with a pixel density of 2.0 will adjust a pixel width from 640px to 320px. This is just one way that pixel ratios can adapt based on the user's device/viewport.

Answer №2

When obtaining an image with dimensions of 40px by 40px, resizing it without compromising the quality of the image (pixels) can be a challenge. It would be beneficial to explore the Facebook API to learn how to access larger versions of the images before considering how to ensure they appear visually appealing on various devices.

Answer №3

To preserve the aspect ratio of specific elements, I rely on a custom sass mixin that I've adapted from Chris Coyier's original version. You can find his mixin here.

If you're referring to maintaining a fixed size of 40x40px regardless of window size, one approach is to apply

max-width: 40px; min-width: 40px;
directly to the element. Alternatively, you can use
<img src="#" width=40 height=40>
within your HTML tags.

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