<!doctype html>
<link rel="help" href="https://www.w3.org/TR/css-text-decor-3/#text-decoration-style-property">
<link rel="match" href="reference/text-decoration-style-multiple-ref.html">
<style>
div {
color: #aaa;
font-size: 50px;
position: relative;
display: inline-block;
width: 200px;
height: 200px;
}
div > span { position: absolute; }
div > span:nth-child(3) { text-decoration: underline solid coral; }
div > span:nth-child(3) > span { text-decoration: overline dashed skyblue; }
div > span:nth-child(3) > span > span { text-decoration: line-through wavy green; }
</style>
<div><span>AAAA</span><span>AAAA</span><span><span><span>AAAA</span></span></span></div>