Firefox 49 just added color to button link. How to make it invisible? Also, does anyone think this is a bug in Firefox 49?

Your code is invalid.

I donā€™t think that he cares that his code is invalid, or goes against best practices. He wants to do it all within the HTML tags, ignoring the better practices of CSS and JavaScript.

Iā€™m all for giving him as much rope as he wants.

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Donā€™t forget accessibility. Heā€™s very keen on ignoring that, too.

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Why would someone use a keyboard for navigation?

Isnā€™t that what a mouse is for?

Blind people are among those that use the keyboard for navigation.

If they canā€™t see the screen, how does that help?

People with a whole variety of disabilities cannot use a mouse or find it difficult.

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There are ways. There are also people like Christopher Reeve, or Stephen Hawking.

There are any number of reasons why people may be unable to use a mouse. e.g.

  • Someone with no hands/arms
  • Severe arthritis
  • People with coordination problems
  • People using a mouth stick to access the keyboard.
  • Temporary problem because of injury

They use a screen reader or other assistive technology.

Keyboard accessibility is one of the most important aspects of web accessibility. Many users with motor disabilities rely on a keyboard. Blind users also typically use a keyboard for navigation. Some people have tremors which donā€™t allow for fine muscle control. Others have little or no use of their hands. Some people simply do not have hands, whether due to a birth defect, an accident, or amputation. In addition to traditional keyboards, some users may use modified keyboards or other hardware that mimics the functionality of a keyboard.

I suggest you read the full article: http://webaim.org/techniques/keyboard/

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Donā€™t worry though - those people make up less than 1% of potential users so you donā€™t have to care about them.

However, web developers that do care about those people find that they end up having their sites used by a vast majority of disabled users, primarily because most other sites arenā€™t able to be used by them.

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Simple hand injuries (such as repetitive strain) can make using the mouse painful and the keyboard easier. I cannot use the mouse at all in my left hand due to a serious injury 30 years ago. There are many more disabled or partially disabled people around than you think. Nearly all of us will be partly disabled at some time/stage in our lives in one way or another.

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I have seen figures of between 70 and 85% of people have some soft of disability (of course only some of those canā€™t use a mouse)

With the way asasass is removing accessibility aides from the pages soon there will be only one person in the world who is actually able to use that site - and then only in the one browser.

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