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JavaScript Object-Oriented JavaScript (2015) Constructor Functions and Prototypes Making the UI Work

kabir k
PLUS
kabir k
Courses Plus Student 18,036 Points
Posted by kabir k
kabir k
Courses Plus Student 18,036 Points

A weird line across my preview page for the Playlist Project

I'm having an unexplained gray line that runs across (and close to the top of) the "Play", "Next", and "Stop" buttons on my preview page which I don't see in Andrew's preview page.

I'm using Safari browser and I have not messed with the CSS.

Is there a reason for this? Is anyone else experiencing this problem?