
Hi @Luke Leon,
Please note that this is actually by design. The reason why this dynamic behavior happened was because behind the "Ctrl+f" frame cover the content you want to search, so it will move left and right. We don't have any policy to change this behavior. If you still want to change it, you can enter "Alt+Shift+I" in the Edge interface to submit feedback.
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Best Regards,
Jinxin Wang