CSS text-decoration-thickness Property
The text-decoration-thickness CSS property specifies the thickness of the decoration line used on text in an element. To reflect the thickness property, the text-decoration-line value must be either underline, line-through, or overline.
Syntax
Property Values
| Value | Description | 
|---|---|
| auto | The thickness of the decoration line is determined by the browser. | 
| from-font | If the font file specifies a preferred thickness, use that value. If not, act like an auto. | 
| length/percentage | The thickness is specified as a length or as a percentage. | 
| initial | This property is set to its default value. | 
| inherit | This property is inherited from its parent element. | 
Supported Browsers
| Property | Chrome | Firefox | Safari | Edge / IE | Opera | 
|---|---|---|---|---|---|
| text-decoration-thickness | 89.0 | 70.0 | 12.1 | 89.0 | 75.0 |