(41) The center suspension frame on the Right of JS motion (couplet suspension frame) and 41js

(41) The center suspension frame on the Right of JS motion (couplet suspension frame) and 41js

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How can I write a floating box compatible with all browsers (the floating box is always in the middle of the browser when it slides up or down )?
You can skip the search box. Or you can use a plug-in called All Search to make up for it.

It seems to have something to do with the system setting in English. You can go to the google plug-in store to get an alternative
Not bad. I hope you will adopt it.

Js pop-up floating box, how to do it
Mask!
Is this effect!
This is jquery ui. You can download and study it!