html导航栏横向置顶,HTML+CSS3横向导航栏效果图：index.html /p> html> charset="UTF-8"> HTML+CSS3横向导航栏 rel="stylesheet" href="index.css" media="screen" type="text/css"/> checked id="one" name="tabs" type="radio">Tab One value="Two">Tab Two id="three" name="tabs" type="...
你多余的空table太多了，删了，就自动置顶了：<body> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td width="440" height="31" bgcolor="#666666"> <strong>Username</strong> <input name="textfield1" type="text" value="kevin272" maxlength="15" widt...
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="https://how2j.cn/study/js/jquery/2.0.0/jquery.min.js"></script> <link rel="stylesheet" href="https://how2j.cn/study/css/bootstrap/3.3.6/bootstrap.min.css"> <script src=...