Centering Oversized Images in a Div with CSS
When dealing with a fluid layout where container widths vary, centering an oversized image within a div can be challenging using CSS alone. The default behavior for images wider than their container is to align left, leaving them offset to the right.
To address this issue, a solution that relies solely on CSS can be implemented. Here's how:
Assign parent divs the CSS property:
<code class="css">position: relative; overflow: hidden;</code>
This sets the div as a container for positioning and constrains any overflowing content.
For the oversized image (referred to as the "child"), use the following CSS:
<code class="css">position: absolute; top: -9999px; bottom: -9999px; left: -9999px; right: -9999px; margin: auto;</code>
By using these CSS properties, the oversized image will be placed in the center of its parent div, regardless of its size or the parent's width. The negative coordinates ensure that overflow is cut off evenly on both edges, providing a visually pleasing result.
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