This is a silly clickjacking example that works with autofill disabled for LastPass 3.3.2 (FireFox Only).
This example is silly, but the point is that mixing privileged and unprivileged UI is a bad idea. A real web designer could make this convincing and reliable.
Try it a few times if it doesn't work. ¯\_(ツ)_/¯
Domain: Debug
This demo tries to get the user to click "Copy Password", but there are other options, e.g. fill in credit card.
This is what it's supposed to look like: