v154 · text-decoration-inset
Inset lab
Drive both ends of a real underline. The values below are the ones in the rule; the table reads the computed property back, so you can see what a one-value shorthand expands to and what a percentage resolves against.
Drive the inset
A real underline, inset from both ends.
The rule
| property | value |
|---|
Negative values extend the line past the text rather than pulling it in — the mechanism behind an underline that runs into the margin, and the reason the range below goes below zero.