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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text Decoration 4: text-decoration-inset</title>
<link rel="help" href="https://drafts.csswg.org/css-text-decor-4/#text-decoration-skip-inset-property">
<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
<style>
body {
background: white;
color: black;
font-family: times new roman, serif;
}
div {
position: relative;
margin-left: 10px;
}
h1 {
position: absolute;
line-height: 2;
width: 10em;
}
u.a {
text-decoration-color: blue;
text-underline-offset: 20px;
}
u.b {
text-decoration-color: green;
text-underline-offset: 20px;
}
span {
display: inline-block;
position: relative;
}
span u.a, span u.b {
display: inline-block;
width: calc(100% - 10px);
overflow-x: clip;
position: absolute;
left: 0;
}
span u.a2 {
left: auto;
right: 0;
}
span u.b2 {
width: 100%;
}
span u.b3 {
width: 100%;
left: -10px;
}
</style>
<p>The underline of the first phrase should be trimmed by 10px at both ends;
the underline of the second should be offset by 10px to the left at both start and end:</p>
<div lang="ar">
<h1 dir="rtl">صِف<u class="a"> خَلقَ خَودِ كَمِثلِ الشَمسِ إِذ </u>بَزَغَت —<br> يَحظى<u class="b"> الضَجيعُ بِها نَجلاءَ </u>مِعطارِ</h1>
<h1 dir="rtl" style="color: transparent"><span><u class="a">صِف</u>صِف</span> خَلقَ خَودِ كَمِثلِ الشَمسِ إِذ <span><u class="a a2">بَزَغَت</u>بَزَغَت</span></h1>
<h1 dir="rtl" style="color: transparent">صِف خَلقَ خَودِ كَمِثلِ الشَمسِ إِذ بَزَغَت —<br>
<span><u class="b">يَحظى</u>يَحظى</span> الضَجيعُ بِها نَجلاءَ <span><u class="b b2">مِعطارِ</u><u class="b b3">مِعطارِ</u>مِعطارِ</span></h1>
</div>