Css Text-decoration-thickness Example
The text-decoration-thickness
CSS property sets the stroke thickness of the decoration line that is used on text in an element, such as a line-through, underline, or overline.
Syntax
/* Single keyword */
text-decoration-thickness: auto;
text-decoration-thickness: from-font;
/* length */
text-decoration-thickness: 0.1em;
text-decoration-thickness: 3px;
/* percentage */
text-decoration-thickness: 10%;
/* Global values */
text-decoration-thickness: inherit;
text-decoration-thickness: initial;
text-decoration-thickness: unset;
Values
auto
- The browser chooses an appropriate width for the text decoration line.
from-font
- If the font file includes information about a preferred thickness, use that value. If the font file doesn't include this information, behave as if
auto
was set, with the browser choosing an appropriate thickness. <length>
- Specifies the thickness of the text decoration line as a
<length>
, overriding the font file suggestion or the browser default. <percentage>
- Specifies the thickness of the text decoration line as a
<percentage>
of 1em in the current font. A percentage inherits as a relative value, and so therefore scales with changes in the font. The browser must use a minimum of 1 device pixel. For a given application of this property, the thickness is constant across the whole box it is applied to, even if there are child elements with a different font size.
Formal definition
Initial value | auto |
---|---|
Applies to | all elements. It also applies to ::first-letter and ::first-line . |
Inherited | no |
Percentages | refer to the font size of the element itself |
Computed value | as specified |
Animation type | by computed value type |
Formal syntax
auto | from-font | <length> | <percentage>
Examples
Varying thickness
HTML
<p class="thin">Here's some text with a 1px red underline.</p>
<p class="thick">This one has a 5px red underline.</p>
<p class="shorthand">This uses the equivalent shorthand.</p>
CSS
.thin {
text-decoration-line: underline;
text-decoration-style: solid;
text-decoration-color: red;
text-decoration-thickness: 1px;
}
.thick {
text-decoration-line: underline;
text-decoration-style: solid;
text-decoration-color: red;
text-decoration-thickness: 5px;
}
.shorthand {
text-decoration: underline solid red 5px;
}
Results
Specifications
Specification | Status | Comment |
---|---|---|
CSS Text Decoration Module Level 4 The definition of 'text-decoration-width' in that specification. | Working Draft | Initial definition. |
Note: The property used to be called text-decoration-width
, but was updated in 2019 to text-decoration-thickness
.
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
text-decoration-thickness | 89 87-89 The text-decoration-thickness property does not work unless either text-underline-offset is set to something other than auto or text-decoration-color is set to something other than currentColor . See Chromium bug 1154537 | 89 87-89 The text-decoration-thickness property does not work unless either text-underline-offset is set to something other than auto or text-decoration-color is set to something other than currentColor . See Chromium bug 1154537 | 70 69 | No | 75 73-75 The text-decoration-thickness property does not work unless either text-underline-offset is set to something other than auto or text-decoration-color is set to something other than currentColor . See Chromium bug 1154537 | 12.1 | 89 87-89 The text-decoration-thickness property does not work unless either text-underline-offset is set to something other than auto or text-decoration-color is set to something other than currentColor . See Chromium bug 1154537 | 89 87-89 The text-decoration-thickness property does not work unless either text-underline-offset is set to something other than auto or text-decoration-color is set to something other than currentColor . See Chromium bug 1154537 | No | No | 12.2 | No |
percentage | No | No | 74 | No | No | No | No | No | No | No | No | No |
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