.maincontent{
width: 75%;
margin: 1em 20%;
}
.menufixe {
position: absolute;
top: 5em;
left: 1%;
padding: 1em;
width: 25%;
}
html>body .menufixe {
position: fixed;
}

 
#menuDeroulant
{
 /*width: 644px;*/
 width: 600px;
list-style-type: none;
 margin: 0;
 padding: 0;
 border: 0;
 /*position: absolute;*/
 top: 0;
 left: 0;
}   
#menuDeroulant li
{
 /*float: left;*/
 width: 150px;
 margin: 0;
 padding: 0;
 border: 0;
}			

#menuDeroulant .sousMenu
{
 display: none;
 list-style-type: none;
 margin: 0;
 padding: 0;
 border: 0;
}	
#menuDeroulant .sousMenu li
{
 float: none;
 margin: 0;
 padding: 0;
 border: 0;
 width: 149px;
 border-top: 1px solid transparent;
 border-right: 1px solid transparent;
}			
		
menuDeroulant li a:link, #menuDeroulant li a:visited
{
 display: block;
 height: 1%;
 color: #FFF;
 background: transparent;
 margin: 0;
 padding: 4px 8px;
 border-right: 1px solid #fff;
 text-decoration: none;
}

/*#menuDeroulant li a:hover { background-color: #F2462E; }*/
/*#menuDeroulant li a:active { background-color: #5F879D; }*/

/*#menuDeroulant li a:hover { background-color: #F2462E; }*/
/*#menuDeroulant li a:active { background-color: #5F879D; }*/

#menuDeroulant .sousMenu li a:link,
#menuDeroulant .sousMenu li a:visited
{
 display: block;
 color: #FFF;
 margin: 0;
 border: 0;
 text-decoration: none;
 background: transparent url("fondTR.png") repeat;
}
#menuDeroulant .sousMenu li a:hover
{
 background-image: none;
 background-color: #F2462E;
}			
#menuDeroulant li:hover > .sousMenu { display: block; }