If you want to create a fullsize background image on your website you can simply use the CSS3 property background-size: cover. But not every Browser supports CSS3 so you need a fallback. Check out this tutorial to learn more.

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If you want to use an image in your responsive web design you can use fluid images. But there is another way. You can set a maximum height and crop the image. If you want to learn more about it, check out the tutorial that I wrote about the overflow image cropping.

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