css属性样式匹配
?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> </head> <script type="text/javascript"> </script> <style type="text/css"> .aa{border:1px solid black; } .aa:focus{ border:1px solid #99bbe8; } </style> <body> <input type="text" class="aa"/> </body></html>?
?其实每个标签都可以配一个
?
.aa:link {color: #FF0000} /* 未访问的链接 */.aa:visited {color: #00FF00} /* 已访问的链接 */.aa:hover {color: #FF00FF} /* 当有鼠标悬停在链接上 */.aa:active {color: #0000FF} /* 被选择的链接 */?