How Can I Rotate an Image Within a CSS Scrollbar Button Without Rotating the Button Itself?

Rotating Background Images in CSS Scrollbars: A Rotation Riddle Resolved

Question:

In an attempt to rotate an image within a Chrome scrollbar button, a developer encountered a challenge. While the -webkit-transform property successfully rotates the entire button, including its content, they sought a solution to rotate the image alone.

Answer:

The solution lies in leveraging the pseudo-element :before, which creates an additional element inside the original element. By positioning the pseudo-element absolutely, defining its dimensions, and positioning it relative to the parent element, it becomes a separate "layer."

CSS code snippet:

#myelement:before {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    z-index: -1;
    background: url(background.png) 0 0 repeat;
    transform: rotate(30deg);
}

In this snippet, the background image is set within the pseudo-element and rotated using the transform property. The z-index ensures the image layer stays behind the main element's content. By adjusting the top and left properties, the image can be positioned within the element to rotate around its preferred center.

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