A tutorial on how to remove button with a gray border

This article mainly explains the "get rid of button with a gray border method tutorial", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "remove button with a gray frame method tutorial"!

Using the dialog in closure, draw a dialog box with close button beyond the upper right corner, and find that the button pops up with a gray border, which is very ugly. Sometimes the frame disappears after repeated operation, always thinking that it is the problem of closure. Later, when you look at it with firefox, the border is a rectangular virtual border that wraps the dialog box and close button, so it feels like the effect after focus. Google html focus border, the problem can be solved: outline:none

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