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鼠标放进图片之后：
鼠标没放进图片之前：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .touch{ width: 200px; height: 200px; overflow: hidden; position: relative; } .touch .content{ position: absolute; top:0; height: 0; left: 0; bottom: 0; opacity: 0.6; color: black; text-align: center; visibility: hidden; } .touch:hover .content{ visibility: visible; } .touch .content .c1{ font-size: 32px; padding: 30px 0; } </style> </head> <body> <div class="touch"> <div><img src="2.jpg"></div> <div class="content"> <div class="c1">NiHao</div> <div class="c2">Wyc</div> </div> </div> </body> </html> # visibility: hidden; 透明度隐藏
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原文地址：http://www.cnblogs.com/wuyongcong/p/5642906.html
