What is the purpose of this csslint error and how can I get rid of it?
问题 I added the following CSS code to get rid of the outline that was appearing after click on a link HTML element. CSS Code: .window-leveling-btn:focus { outline: 0; } Afterwards I get the following csslint error message. I don't understand why I shouldn't be doing this or how I should do it correctly. Error Msg: WARNING: Outlines shouldn't be hidden unless other visual changes are made. Use of outline: none or outline: 0 should be limited to :focus rules. (outline-none) 回答1: According to the