EC2 instances will not accept a .pem key if it is publicly visible.
Since your .pem file is likely sitting on your Desktop or Downloads folder, it has a permission code of
That is not good enough for your server.
From How to Fix Permission error when ssh into aws ec2 instance
This may happen if:
1.set state after an async API call
2.set state after an event listener or a setTimeout scope
Element.getBoundingClientRect()
The method will return an object containing the (X, Y) coordinate of an element.
The coordinate is relative to the top-left corner of the viewport.
The scrolling is taken into account when computing the (X, Y) position.