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Author Topic: CSS styling, iPhone versus regular site  (Read 2124 times)
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« on: January 17, 2008, 09:46:47 AM »

Just caught this post at a thread I'm in on the SMF board which is great stuff regardless of your need. The question was, how does the iPhone know how to see things differently than a regular browser?

Well I'd always assumed (and programmed in my testing) to the UA because my sites are all dynamic - so the server side modified the output to the phone and presto... but in this case, a static site can do the same using a special link tag in the header:

Quote from: IchBin
That looks great! I've been thinking about these types of theme for a bit now. How does the theme recognize that its an iphone ?

Using a stylesheet link in the head of your document with instructions only the iphone picks up.

Quote from: Apple
Web designers often assume a particular window size when designing their sites. If thatís the path you want to take, you may want to provide one for a Safari on iPhone specific size. You should also provide conditional CSS for iPhone (or other devices, for that matter).

You can tailor the style of your webpages by providing a style sheet that adapts to iPhone. The CSS 3 media query allows you to do just that. There are several types of queries including print, handheld, and screen. iPhone ignores the print and handheld media queries because these types do not supply high-end content. So the screen query is what you need to use.

To specify a style sheet that is just for iPhone without affecting other devices, you use the only keyword in combination with the screen keyword, as follows:

<link media="only screen and (max-device-width: 480px)"
href="small-device.css" type="text/css" rel="stylesheet" >

Older browsers ignore the only keyword and wonít read your iPhone style sheet. To specify a style sheet for devices other than iPhone, use an expression similar to the following:
<link media="screen and (min-device-width: 481px)"
href="not-small-device.css" type="text/css" rel="stylesheet" >


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