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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.

Example of font-kerning

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

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

Initial valueauto
Aplica-se aall elements. It also applies to ::first-letter and ::first-line.
Inheritedyes
Midiavisual
Computed valueas specified
Animation typediscrete
Canonical orderthe unique non-ambiguous order defined by the formal grammar

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

Specification Status Comment
CSS Fonts Module Level 3
The definition of 'font-kerning' in that specification.
Candidata a Recomendação Initial definition

Browser Compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 32[1] (Yes) 34 (34)[2] 10[3] ? 7
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ? (Yes) 34.0 (34)[2] ? ? 7

[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

Etiquetas do documento e colaboradores

 Colaboradores desta página: rener_bz
 Última atualização por: rener_bz,