Código HTML:
<!DOCTYPE HTML> <html> <head> <meta http-equiv= "ContentType" content="text/html"; charset=UTF-8> <link rel="shorcut icon" href="file:///C:\Users\Miguel\web\images\favicon.png"> <title>Portal Web Big Data</title> <link rel="stylesheet" type="text/css" href="estilo.css" /> </head> <body> <div id="wrapper"> <div id="banner"> </div> <nav id="navigation"> <ul id="nav"> <li> <a href="">Divisas</a></li> <li> <a href="">Mercados</a></li> <li> <a href="">Industria</a></li> <li> <a href="">D</a></li> <li> <a href="">E</a> <ul id="id"> <li> <a href="">F</a></li> </ul> <ul id="id"> <li> <a href="">G</a></li> </ul> </li> </ul> </nav> <div id="content_area"> a </div> <div id="sidebar"> b </div> <footer> <p> Miguel Angel Sanchez Egido. TFG. All rights reserved </p> </footer> </div> </body> </html>
CSS:
Código:
El problema es que al poner el raton sobre E no se desplega el submenu. body { font-family: lucida grande ,tahoma,verdana,arial,sans-serif; background-color: #e9e9e9; } body p { font-size: 0.8em; line-height: 1.28; } #wrapper { width: 1080px; background-color: white; margin: 0 auto; padding: 10px; border: 5px solid #dedede; } #banner { background-image: url(images/banner.jpg); background-size:100% 100%; background-repeat: no-repeat; border: 5px solid #dedede; height: 200px; } #content_area { border: 5px solid #dedede; float: left; width: 750px; margin: 20px 0 20px 0; padding: 10px; } #sidebar { float: right; width: 250px; height: 400px; margin: 20px 10px; padding: 10px; border: 2px solid #E3E3E3; } footer { clear: both; width: auto; height: 40px; padding: 10px; border: 3px solid #E3E3E3; text-align: center; color: #fff; text-shadow: 0.1em 0.1em #333; background-image: url(images/background.jpg); } #navigation { height: 60px; border: 3px solid #E3E3E3; margin-top: 20px; text-shadow: 0.1em 0.1em #333; background-image: url(images/background.jpg); } #nav { list-style: none; } #nav ul { margin: 0; padding: 0; width: auto; display: none; } #nav li { font-size: 24px; float: left; position: relative; width: 180px; height: 50px; } #nav a:link, nav a:active, nav a:visited { display: block; color: #fff; text-decoration: none; } #nav a:hover { color: blue; }