Disregard the Margin of Ancestor Elements

I'm attempting to make an image span the full width of a parent element, but the parent element has a margin of 10px. This means that when I apply

#parent img {
    position: absolute;
    top:0;
    left:0;
    height: auto;
    width: 100%
}

It only expands the image to the width of the parent... minus 10px on each side. How can I adjust the image to completely fill the width of the parent, disregarding the margin?

Answer №1

It is not possible to achieve that outcome. CSS restrictions limit an element's ability to only modify itself within the constraints of its parent.

To work around this limitation, consider adjusting the position attribute of the element to absolute.

Answer №2

give this a shot

#parent img {
position: fixed;
top:0;
left:0;
height: auto;
width: calc(100% + 10px);

}

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