font-kerning

A propriedade CSS font-kerning controla o o uso da informação de kerning, que é, o controle de como as letras serão espaçadas. A informação de kerning é armazenada na fonte, e se a fonte é well-kerned, essa caracteristica permite que o espaçamento entre caracteres seja muito parecido, independente dos caracteres.

font-kerning: auto;
font-kerning: normal;
font-kerning: none;

/* Global values */
font-kerning: inherit;
font-kerning: initial;
font-kerning: unset;

Syntax

Values

auto

This keyword defers to the browser regarding whether to use kerning. When the font size is small, font kerning may look strange and browsers will disable it. This is the default value.

normal

This keyword requires kerning to be applied.

none

This keyword prevents the browser from using the kerning information stored in the font.

Formal syntax

auto | normal | none

Examples

p {
  font-kerning: none;
}

Specifications

Browser Compatibility

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[1] Requires prefix -webkit-font-kerning. First version supporting this property is not known.

[2] Experimental implementation was available since Gecko 24. It was governed by the preference layout.css.font-features.enabled defaulting to true on Nightly and Aurora only.

[3] OpenType layout features might be supported using font-feature-settings property, however individual font-kerning property is not supported.

Kerning Demo

HTML Content

<div id="kern"></div>
<div id="nokern"></div>
<textarea id="input">AV T. ij</textarea>

CSS Content

#nokern, #kern {
  font-size: 2rem;
  font-family: serif;
}
#nokern {
  font-kerning: none;
}
#kern {
  font-kerning: normal;
}

JS Content

var input  = document.getElementById('input'),
    kern   = document.getElementById('kern'),
    nokern = document.getElementById('nokern');
input.addEventListener('keyup', function() {
  kern.textContent = input.value; /* Update content */
  nokern.textContent = input.value;
});
kern.textContent = input.value; /* Initialize content */
nokern.textContent = input.value;

See also

• font-variant, font-variant-position, font-variant-east-asian, font-variant-caps, font-variant-ligatures, font-variant-numeric, font-variant-alternates, font-synthesis, letter-spacing.