How Can I Scale the Content of an Iframe to Fit My Web Page?

Scaling Iframe Content: A Comprehensive Guide

When incorporating an iframe into a web page, it's often necessary to adjust its size to fit seamlessly within the page layout. This article provides a detailed solution to scale an iframe's content, ensuring it displays at a desired size relative to its original dimensions.

To scale an iframe's content, we utilize a combination of techniques:

1. Containment with Wrapper DIV:

Enclose the iframe within a containing DIV with specific dimensions. This sets the overall size the iframe can occupy.

2. CSS Transformation:

Using CSS's transform property with the appropriate scale value, scale the iframe's content to a fractional size of the wrapper DIV.

The provided CSS code demonstrates this implementation:

#wrap { width: 600px; height: 390px; padding: 0; overflow: hidden; }
#frame { width: 800px; height: 520px; border: 1px solid black; }
#frame {
    -ms-zoom: 0.75;
    -moz-transform: scale(0.75);
    -moz-transform-origin: 0 0;
    -o-transform: scale(0.75);
    -o-transform-origin: 0 0;
    -webkit-transform: scale(0.75);
    -webkit-transform-origin: 0 0;
}

Additional Adjustment:

Depending on the desired visual effect, you may need to set overflow: hidden on the #frame to hide any overflowing content and prevent scrollbars.

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