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css实现的当鼠标悬浮弹出说明层效果_html/css_WEB-ITnose

WBOY
WBOYOriginal
2016-06-24 11:27:281462browse

css实现的当鼠标悬浮弹出说明层效果:
本章节分享一段代码实例,它是使用纯css实现的鼠标悬浮弹出说明层效果。
代码实例如下:

<!DOCTYPE html><html> <head> <meta charset=" utf-8"> <meta name="author" content="http://www.softwhy.com/" /> <title>蚂蚁部落</title> <style>div{  clear:both;  margin:5px 0 0 0;  font-size:12px;  line-height:22px;}a.alt{  position:relative;  background-color:#fff;  float:left;  width:158px;  height:20px;  margin:0 auto;  border:1px solid #eee;  text-align:center;  text-decoration:none;  color:#0066cc;}a.alt:hover{  background:#fff;  text-decoration:none;  z-index:2;}a.alt span{  display:none;}a.alt:hover span{  position:absolute;  display:block;  top:-1px;  left:158px;  width:130px;  height:30px;  border:1px solid #eee;  z-index:1;}</style></head><body><div><a class="alt" href="/"><span>前端网站</span>蚂蚁部落</a></div><div><a class="alt" href="/"><span>网址是softwhy.com</span>antzone</a></div></body></html>

在默认状态下span元素是隐藏的,当鼠标悬浮的时候,下面的CSS代码就会立马生效:

a.alt:hover span{  position:absolute;  display:block;  top:-1px;  left:158px;  width:130px;  height:30px;  border:1px solid #eee;  z-index:1;}

采用绝对定位的方式,将这个弹出层定位于链接的右侧。

原文地址是:http://www.softwhy.com/forum.php?mod=viewthread&tid=18143

更多内容可以参阅:http://www.softwhy.com/divcss/

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