In this demo you can control the position property for the yellow box.

To see the effect of sticky positioning, select the position: sticky option and scroll this container.

The element will scroll along with its container, until it is at the top of the container (or reaches the offset specified in top), and will then stop scrolling, so it stays visible.

The rest of this text is only supplied to make sure the container overflows, so as to enable you to scroll it and see the effect.

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