Replicating Firefox's Page Scaling Functionality with CSS
Firefox allows users to enlarge entire web pages proportionally using the keyboard shortcut Ctrl . This functionality extends to all page elements, including fonts and images.
To achieve the same effect using CSS, leverage the zoom property supported by browsers such as IE 5.5 , Opera, Safari 4, and Chrome. By specifying a zoom value, you can scale the entire page by the desired percentage.
However, Firefox does not support the zoom property. As an alternative, use the proprietary -moz-transform property in Firefox 3.5 or later. This property allows you to scale elements relative to their original size.
Combining the two techniques, you can create a CSS rule that scales an entire web page using both zoom and -moz-transform:
div.zoomed {
zoom: 3;
-moz-transform: scale(3);
-moz-transform-origin: 0 0;
}
This rule applies a 300% zoom to the elements within the div.zoomed class, scaling them proportionally without distorting their appearance.
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