<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.test li {
margin-top: 10px;
}
.test li:nth-child(1) {
-webkit-text-decoration-line: none;
-moz-text-decoration-line: none;
text-decoration-line: none;
}
.test li:nth-child(2) {
-webkit-text-decoration-line: underline;
-moz-text-decoration-line: underline;
text-decoration-line: underline;
}
.test li:nth-child(3) {
-webkit-text-decoration-line: overline;
-moz-text-decoration-line: overline;
text-decoration-line: overline;
}
.test li:nth-child(4) {
-webkit-text-decoration-line: line-through;
-moz-text-decoration-line: line-through;
text-decoration-line: line-through;
}
.test li:nth-child(5) {
-webkit-text-decoration-line: blink;
-moz-text-decoration-line: blink;
text-decoration-line: blink;
}
</style>
</head>
<body>
<ul class="test">
<li>没有文本装饰</li>
<li>文本带有下划线装饰</li>
<li>文本带有上划线装饰</li>
<li>文本带有贯穿线装饰</li>
<li>文本带有闪烁装饰</li>
</ul>
</body>
</html>
:nth-child(n) 选择器匹配属于其父元素的第 N 个子元素,不论元素的类型。
n 可以是数字、关键词或公式。
参考:
《CSS参考手册》 W3School