CSS Zoom

The CSS zoom property is a non-standard property that was supported by some older versions of Internet Explorer. It allowed developers to zoom in or out on an element’s content, effectively scaling the element and its children. However, this property was not part of any CSS standard, and it was not widely supported in modern browsers.

The zoom property had a simple syntax:

selector {
  zoom: value;
}

• selector: Represents the HTML element or class to which the zoom property was applied.
• value: Specifies the zoom level. It can be a decimal number, percentage, or one of the predefined keywords like normal or reset.

Example:

p {
  zoom: 150%;
}

In this example, the text within all <p> elements would be zoomed to 150% of its original size.

Because the zoom property was never standardized, it is not recommended to use it in modern web development. Instead, if you need to control the size of an element and its contents, you should use standard CSS properties such as transform, scale, or adjusting the font-size property to achieve similar effects.

For example, using the transform property to scale an element:

p {
  transform: scale(1.5);
}

This will scale the size of the <p> elements and their contents by 1.5 times, effectively achieving the same zooming effect as in the previous example.

When developing for modern browsers, it’s essential to focus on using standardized CSS properties to ensure better compatibility and maintainability of your code. If you need to support older versions of Internet Explorer, it’s best to explore alternative techniques or consider using polyfills to handle specific CSS features not supported by those older browsers.