Change the width of the iframe

Can the width of an iframe with inline property be set using external CSS? Here's the code snippet:

<iframe src="video.html" width="625" height="430"></iframe>

I've tried setting the width to a fixed size and it worked, but I'm having trouble setting it to 100%.

iframe{width:100% !important}

Answer №1

According to information from http://www.w3schools.com/tags/att_iframe_width.asp:

In the context of HTML 4.01, the width could be specified in pixels or as a percentage of the containing element. However, in HTML5, the width value must be specified in pixels.

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