How to make the animation end smoothly when the cursor is retracted?

Question

Iron

Guys, in general, it doesn’t go into the head how to do it on pure css so that when the cursor is removed, the block smoothly falls into place. At the moment, he jerks back to his place. Here is an example.
https://codepen.io/litash/pen/MELPOB

Answer 1

Are you sure that these components are used in your system?
Given that the motherboard socket LGA 775, and percent. LGA1155???

Answer 2

Look for the power supply to fit, you do not have a fresh configuration. And if there is a block for a half gig card and put 1-2, then it may not work

Answer 3

Actually how to understand the optimal?
Optimal for premiere pro
Or for a sapper?
Or to Windows?
https://gamegpu.com/summary-hierarchy-of video cards/
tab
...

Answer 4

Indeed, look at the sockets and choose from those that are designed for these pieces of iron.

Answer 5

Make animation not through animation, but simply through changing properties
https://codepen.io/anon/pen/jGdQpo