How Can I Remove the Dotted Outline on Buttons and Links in Firefox?

Eliminating Firefox's Dotted Outline on Buttons and Links

In Firefox, unsightly dotted focus outlines can hinder the user experience on both links and button elements. This article delves into how to remove these outlines effectively.

Addressing Dotted Outlines on Links

Firefox readily hides dotted outlines on links using the following CSS rule:

a:focus {
    outline: none;
}

Removing Dotted Outlines on Buttons

To remove the dotted outlines from buttons, however, requires a different approach. Applying the same CSS rule to button elements yields no results:

button:focus {
    outline: none;
}

Utilizing Button Focus Indicator Modification

To resolve this issue, a specific CSS rule must be used to modify the button focus indicator in Firefox:

button::-moz-focus-inner {
  border: 0;
}

This rule modifies the inner focus state of the button, effectively removing the dotted outline while maintaining focus functionality.

Customizing Focus Hints

As mentioned in the question, removing the dotted outline may raise usability concerns. To address this, custom focus hints can be implemented to provide appropriate visual cues. These hints can be tailored to complement the design and enhance the user experience.

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