CSS font-weight Property

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Description

The font-weight CSS property is used to control the thickness or boldness of the text characters within an HTML element. It accepts a range of values, including numeric values like 100 (thin) to 900 (extra bold), and keywords like "normal" and "bold." This property allows web developers to adjust the visual weight of text to achieve different typographic styles and emphasize certain content within a webpage. By specifying the appropriate font-weight value, designers can create a visually appealing and readable text hierarchy on their websites.

Initial value
normal
Applies to
All elements
Inherited
Yes
Computed value
Numeric weight value
Animatable
Yes
JavaScript syntax
object.style.fontWeight

Interactive Demo

The rusty swing set creaked a lonely lullaby in the twilight, shadows lengthening like grasping fingers across the dew-kissed grass. A lone dandelion seed, adrift on the breeze, whispered secrets of faraway fields, of dandelion suns and galaxies spun from fluff. Somewhere, beyond the veil of dusk, a coyote laughed, echoing through the stillness like a forgotten memory.

Syntax

font-weight: normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 

Values

  • normalNormal font weight. Same as 400.
  • boldBold font weight. Same as 700.
  • bolderSpecifies a bolder weight than the inherited value.
  • lighterSpecifies a lighter weight than the inherited value.
  • 100, 200, 300, 400, 500, 600, 700, 800, 900Numeric font weights for fonts that provide more than just normal and bold. If the exact weight given is unavailable, a face with a nearby weight is used.
  • inherit

Example

<p class="test">font-weight: 100; </p> 
<p>font-weight: normal;</p>
<p class="test2">font-weight: bold;</p>
<p class="test3">font-weight: 900;</p>
.test {
   font-weight: 100;
}
.test2 {
   font-weight: bold;
}
.test3 {
   font-weight: 900;
}

Browser Support

The following table will show you the current browser support for the CSS font-weight property.

Desktop
Edge Chrome Firefox Opera Safari
12213.51
Tablets / Mobile
Chrome Firefox Opera Safari Samsung Webview
18410.1114.4

Last updated by CSSPortal on: 1st January 2024