<!doctype 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(1) { text-decoration: underline solid coral; }
div > span:nth-child(2) { text-decoration: overline dashed skyblue; }
div > span:nth-child(3) { text-decoration: line-through wavy green; }
</style>
<div><span>AAAA</span><span>AAAA</span><span>AAAA</span></div>