How to Center Oversized Images Within Divs Using CSS?

Centering Oversized Images in Divs with CSS

When dealing with fluid layouts where image container widths vary, centering an oversized image within a div becomes a challenge. Traditional CSS methods, like setting margin-left and margin-right to auto, only work for images smaller than their surrounding divs.

To address this issue, consider the following CSS solution:

.parent {
    position: relative;
    overflow: hidden;
    // Optional height and width settings based on the desired design
}

.child {
    position: absolute;
    top: -9999px;
    bottom: -9999px;
    left: -9999px;
    right: -9999px;
    margin: auto;
}

This approach ensures that any image, regardless of size, will be centered both horizontally and vertically within its parent div. The negative top, bottom, left, and right values essentially force the image to fill the entire space within the parent, and the margin: auto rule centers it within that space.

By hiding any elements that overflow beyond the parent div using overflow: hidden, the oversized image will be cut off evenly on both edges, creating the desired centering effect.

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