Property text-underline-offset

The text-underline-offset CSS property sets the
offset distance of an underline text decoration
line (applied using text-decoration) from its
original position.

Example

p {
  text-decoration: underline wavy red;
  text-underline-offset: 1em;
}

.twolines {
  text-decoration-color: purple;
  text-decoration-line: underline overline;
}

Syntax

/* Single keyword */
text-underline-offset: auto;

/* length */
text-underline-offset: 0.1em;
text-underline-offset: 3px;

/* percentage */
text-underline-offset: 20%;

/* Global values */
text-underline-offset: inherit;
text-underline-offset: initial;
text-underline-offset: revert;
text-underline-offset: revert-layer;
text-underline-offset: unset;