font-synthesis-weight
Controls whether the browser is allowed to 'fake' a bold look by thickening the strokes if a real bold font file isn't available.
It is documented as part of the CSS Fonts specification.
Syntax
/* Usage Example */
.strict-typography {
/* Prevents the browser from faking bold text */
font-synthesis-weight: none;
}
/* Syntax */
font-synthesis-weight: auto;
font-synthesis-weight: none;
/* Global values */
font-synthesis-weight: inherit;
font-synthesis-weight: initial;
font-synthesis-weight: revert;
font-synthesis-weight: revert-layer;
font-synthesis-weight: unset;font-synthesis-weight Browser support
Widely available
Since
2023 94% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2023.
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