Looking to implement a CSS banner image for seamless customization across multiple pages

Is it possible to change the banner image easily in the CSS without having to update every HTML page? I don't want the image source to be directly on the HTML pages. How can this be achieved? Additionally, there are already two references in the CSS:

}
.masthead .banner {
    box-shadow: 0px 0px 30px rgba(0,0,0,.5);
    border-bottom: 1px solid #fff;
}
.masthead .banner img {
    height: auto !important;
    width: auto !important;
    max-width: 100%;
    display: block;
}

Answer №1

If you want to include an image using CSS, you can use the content:url("image.jpg") property.

<!doctype html>

<style>
.MyClass123{ content:url("http://imgur.com/SZ8Cm.jpg");}
</style>

<img class="MyClass123"/>

Alternatively, you can also achieve this with JavaScript.

getPropertyValue("--src")

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