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问题:

i can get images scaled to fill the window when they are the content, like so: (without any html5 or div)

  <style type="text/css">
img {
width:100%;
height:100%;
margin:0px;
}
  </style>

and

<img src="wacard.png" alt="original image" title="">

but

this fails (both "html, body" and just "body")

  <style type="text/css">
body {
width:100%;
height:100%;
margin:0px;
}
  </style>

and

<body
 style="background-image: url(wacard.png);">
</body>

as picked up picked up from here: Resize HTML5 canvas to fit window but as far as i understand, that must have some more fancy code than i know of, going on, ... or i'm doing something wrong...

how can i get background images to scale? (ideally, without javascript)

回答1:

Here is a great tutorial with several solutions: http://css-tricks.com/perfect-full-page-background-image/ Complete with demos and the step by step coding process.

The HTML5 way mentioned is:

html {
        background: url(images/bg.jpg) no-repeat center center fixed;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
}

There is an ie fix mentioned in the article.

回答2:

As I understand you want to create a full page re-sizable background. If so, follow the instructions here => http://css-tricks.com/perfect-full-page-background-image/