You did not correctly link it.
<link href="https://cdnjs.com/libraries/animate.css/" rel='stylesheet' type='text/css'>
<link href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css" rel='stylesheet' type='text/css'>
You were linking to a page about the library, rather than the library itself which is part of the problem.
Make that change and let us know if it solved your problem