????：<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>導(dǎo)航欄</title> <style> &nbs
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>導(dǎo)航欄</title>
<style>
.nav{
background-color: #00aba9;width: 100px;height: 40px;text-align: center;line-height: 40px;
}
.main{
width: 100px; height: 100px; background-color: pink;text-align: center;line-height: 100px;display: none;
}
.nav:hover .main{display: block;}
</style>
</head>
<body>
<div class="nav">導(dǎo)航</div>
<div class="main">小菜單</div>
</body>
</html>
?? ???：查無此人?? ??：2019-04-26 13:33:25
???? ??：完成的不錯?？梢园殉Ｓ玫腸ss樣式寫到單獨的文件里，隨時可以使用。繼續(xù)加油。