<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.css-F00{ border-bottom:1px solid #F00}
.css-00F{ border-bottom:1px solid #00F; color:#090}
.css-333{ border-bottom:1px solid #333}
</style>
</head>
<body>
<p>
css實踐之文字下劃線顏色-<span>我的下劃線實現為紅色</span>
</p >
css實踐之文字下劃線顏色-<span>我的下劃線實現為藍色,文字為綠色</span>
css實踐之文字下劃線顏色-<span>我的下劃線實現為黑色</span>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.css-F00{ border-bottom:1px solid #F00}
.css-00F{ border-bottom:1px solid #00F; color:#090}
.css-333{ border-bottom:1px solid #333}
</style>
</head>
<body>
<p>
css實踐之文字下劃線顏色-<span>我的下劃線實現為紅色</span>
</p >
<p>
css實踐之文字下劃線顏色-<span>我的下劃線實現為藍色,文字為綠色</span>
</p >
<p>
css實踐之文字下劃線顏色-<span>我的下劃線實現為黑色</span>
</p >
</body>
</html>