How can I create dynamic background images for a footer using SASS?

Dynamic Background Images with SASS

When styling a website's footer with multiple widgets, adding visual interest with unique background images can enhance the aesthetics. Using SASS, you can randomize the background image selection from a defined list.

Solution Using SASS's Random Function

SASS v3.3.0 introduced the random() function. By combining this with a list of image URLs and variable interpolation, it's possible to generate CSS that dynamically chooses a random background image during compilation.

$imgKey: random(5);

$list: "url('http://domain.com/blablabla/apple.png'),
        url('http://domain.com/blablabla/banana.png'),
        url('http://domain.com/blablabla/cherry.png'),
        url('http://domain.com/blablabla/durian.png'),
        url('http://domain.com/blablabla/eggplant.png')";

$nth: nth($list, $imgKey);

#footer-widgets .container .row {
    background-image: $nth;
    background-position: right bottom;
    background-repeat: no-repeat;
}

Live Example

Refer to the live example available at: http://sassmeister.com/gist/8966210.

Important Note

Keep in mind that, as with any SASS compilation, the random image selection only occurs during SASS compilation, not necessarily during every page visit.

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