How do you remove the blue border of an image map?

Question

The landing page is a static background image and I created a clickable area with image map. The problem is that a blue border (see image below) shows up when you click on the a

Answer 1

That looks like the object's outline.

If you specify outline: none in the CSS for an object, it removes the blue glow that you see when an element is selected in the browser.