javascript - ul with links remains selected -

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I have a side bar menu in which the UL-> Li-> A is styled with CSS, so that one vertical To be shown on the menu on the left.

I have noticed that when I select an option, a thin tree will surround the dotted line box (menu buttons) that I have chosen. For me it looks "wrong", is there any way to stop it from appearing?

Thank you!

A: active {framework: none; }


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