bonjour . ce poste montre comment faire un menu stylE acec sous menu.
remarquez la section css ...
et commentez
<html>
<head>
<title>JOUR5 : creation des menu html</title>
<!-- Start css3menu.com HEAD section -->
<style type="text/css">
ul#css3menu0,ul#css3menu0 ul{
margin:0;list-style:none;padding:0;background-color:#dedede;border-width:1px;border-style:solid;border-color:#5f5f5f;-moz-border-radius:5px;-webkit-border-radius:5px;border-radius:5px;}
ul#css3menu0 ul{
display:none;position:absolute;left:0;top:100%;-moz-box-shadow:3.5px 3.5px 5px #000000;-webkit-box-shadow:3.5px 3.5px 5px #000000;box-shadow:3.5px 3.5px 5px #000000;background-color:#424542;border-width:2px;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;border-color:#FFF;padding:0 10px 10px;}
ul#css3menu0 li:hover>*{
display:block;}
ul#css3menu0 li{
position:relative;display:block;white-space:nowrap;font-size:0;float:left;}
ul#css3menu0 li:hover{
z-index:1;}
ul#css3menu0{
font-size:0;z-index:999;position:relative;display:inline-block;zoom:1;padding:0;
*display:inline;}
* html ul#css3menu0 li a{
display:inline-block;}
ul#css3menu0>li{
margin:0;}
ul#css3menu0 a:active, ul#css3menu0 a:focus{
outline-style:none;}
ul#css3menu0 a{
display:block;vertical-align:middle;text-align:left;text-decoration:none;font:bold 14px Trebuchet MS;color:#000;text-shadow:#FFF 0 0 1px;cursor:pointer;padding:10px;background-color:#222222;background-image:url("mainbk.png");background-repeat:repeat;background-position:0 0;border-width:0 0 0 1px;border-style:solid;border-color:#C0C0C0;}
ul#css3menu0 ul li{
float:none;margin:10px 0 0;}
ul#css3menu0 ul a{
text-align:left;padding:4px;background-color:#424542;background-image:none;border-width:0;border-radius:0px;-moz-border-radius:0px;-webkit-border-radius:0px;font:14px Tahoma;color:#FFF;text-decoration:none;text-shadow:#FFF 0 0 0;}
ul#css3menu0 li:hover>a,ul#css3menu0 li a.pressed{
background-color:#61a700;border-color:#C0C0C0;border-style:solid;color:#333;text-shadow:#FFF 0 0 1px;background-image:url("mainbk.png");background-position:0 100px;}
ul#css3menu0 img{
border:none;vertical-align:middle;margin-right:10px;}
ul#css3menu0 span{
display:block;overflow:visible;background-position:right center;background-repeat:no-repeat;padding-right:0px;}
ul#css3menu0 > li.switch{
display:none;cursor:pointer;width:25px;height:20px;padding:10px;}
ul#css3menu0 > li.switch:before{
content:"";position:absolute;display:block;height:4px;width:25px;border-radius:4px;background:#000;-moz-box-shadow:0 8px #000, 0 16px #000;-webkit-box-shadow:0 8px #000, 0 16px #000;box-shadow:0 8px #000, 0 16px #000;}
ul#css3menu0 > li.switch:hover:before{
background:#333;-moz-box-shadow:0 8px #333, 0 16px #333;-webkit-box-shadow:0 8px #333, 0 16px #333;box-shadow:0 8px #333, 0 16px #333;}
.c3m-switch-input{
display:none;}
ul#css3menu0 li:hover>a,ul#css3menu0 li > a.pressed{
background-color:#61a700;background-image:url("mainbk.png");background-position:0 100px;border-style:solid;border-color:#C0C0C0;color:#333;text-decoration:none;text-shadow:#FFF 0 0 1px;}
ul#css3menu0 ul li:hover>a,ul#css3menu0 ul li > a.pressed{
background-color:#424542;background-image:none;color:#6bd600;text-decoration:none;text-shadow:#FFF 0 0 0;}
ul#css3menu0 li.topfirst>a{
border-width:0;border-radius:4px 0 0 4px;-moz-border-radius:4px 0 0 4px;-webkit-border-radius:4px;-webkit-border-top-right-radius:0;-webkit-border-bottom-right-radius:0;}
ul#css3menu0 li.toplast>a{
border-radius:0 4px 4px 0;-moz-border-radius:0 4px 4px 0;-webkit-border-radius:0;-webkit-border-top-right-radius:4px;-webkit-border-bottom-right-radius:4px;}
@media screen and (max-width: 768px) {
ul#css3menu0 > li {
position: initial;}
ul#css3menu0 ul .submenu,ul#css3menu0 li > ul {
left: 0; right:auto; top: 100%;}
ul#css3menu0 .submenu,ul#css3menu0 ul,ul#css3menu0 .column {
-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;padding-right: 0;width: 100% !important;}
}
@media screen and (max-width: 225px) {
ul#css3menu0 {
width: 100%;}
ul#css3menu0 > li {
display: none;
position: relative;
width: 100% !important;}
ul#css3menu0 > li.switch,.c3m-switch-input:checked + ul#css3menu0 > li + li {
display: block;}
ul#css3menu0 > li.switch > label {
position: absolute;cursor: pointer;top: 0;left: 0;right: 0;bottom: 0;}}
</style>
<!-- End css3menu.com HEAD section -->
</head>
<body>
<table align="center" bgcolor="#fafafa" cellpadding="10" cellspacing="10">
<tr>
<td>
<!-- Start css3menu.com BODY section -->
<ul id="css3menu0" class="topmenu">
<li class="switch"><label onclick="" for="css3menu-switcher"></label></li>
<li class="topfirst"><a href="#" title="hom page" style="height:20px;line-height:20px;"><img src="about_files/css3menu0/home.png" alt=""/>Home</a></li>
<li class="topmenu"><a href="#" style="height:20px;line-height:20px;"><img src="about_files/css3menu0/service.png" alt=""/>About </a></li>
<li class="toplast"><a href="#" style="height:20px;line-height:20px;"><span><img src="about_files/css3menu0/samples.png" alt=""/>services</span></a>
<ul>
<li><a href="#">project consultancy</a></li>
<li><a href="#">computer maintenance</a></li>
<li><a href="#">web design</a></li>
</ul></li>
</ul>
<!-- End css3menu.com BODY section -->
</td>
<tr>
<td bgcolor="#eee">
<h1>A propos de nous</h1>
<p>Le contenu du site peu aller ici</p>
<p>Le contenu du site peu aller ici</p>
<p>Le contenu du site peu aller ici</p>
<p>Le contenu du site peu aller ici</p>
</td>
</tr>
<tr>
<td >
<img src="welcome.jpg">
<p>mot de bienvenu</p>
<p>Le contenu du site peu aller ici</p>
</td>
</tr>
</tr>
</table>
</body>
</html>