如何在Firefox中删除超链接图像周围的边框

Question

I can not remove these border from my hyperlink image:

I tried:

a img {border: none}

img {border: none}

a {border: none}

* {
    outline: none;
    border: none
}

I tried border: 0; too. But it's not working. Tested on Windows 7 Ultimate using Firefox 35.
Demo
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Answer 1

The displayed placeholder in img tags for broken links is controlled by the browsers, and the border may be included in the placeholder image (or not, but that's not the point).

In this case, you just can't do anything about this border (but avoid broken links).

Answer 2

Your CSS is not best practice and could be throwing off the browser. Make sure you end each line with a semicolon ;

a img { border: none; }

img { border: none; }

a { border: none; }

* {
    outline: none;
    border: none;
}