.main_menu
{
line-height:30px;
color:#FFF;
position:relative;
font-family:Arial, Helvetica, sans-serif;
font-size:14px; 
z-index:1000;
}
.main_menu ul
{
padding:0px;
margin:0;
list-style:none;

}
.main_menu ul li
{
padding:0;
margin:0;
list-style:none;
list-style-type:none;
float:left;
text-transform:uppercase; 
}

.main_menu #home
{
padding:12px 0 0 5px;
}

.main_menu ul li a
{
color:#FFF;
display:block;
text-decoration:none;
padding:6px 5px 0 10px; /* estava 3
list-style:none;

}
.main_menu ul li a:hover
{

/* background: url('../imagens/bgMenu.png') repeat-x; */
color:#FFF;
}
.main_menu ul li ul
{
 display: none;
 width: auto;
 position:absolute;
 top:33px;
 padding:0px;
 margin:0px;
 list-style:none;
 text-transform:none;
 text-align:left;
}
.main_menu ul li:hover ul
{list-style:none;
 display: block;
 position: absolute;
 margin: 0;
 padding: 0 0 0 10px;
}
.main_menu ul li:hover li
{
 float: none;
 list-style:none;
margin:0px;
}
.main_menu ul li:hover li
{
background:#286A9E;
/*border-bottom:1px dashed #FFF;
border-right:1px solid #FFF;
border-left:1px solid #FFF;*/
line-height:15px;
}
.main_menu ul li:hover li a
{
    color: #FFF;
padding:7px 15px 7px 10px;
display:block;
text-transform:none;

}
.main_menu ul li li a:hover
{
 color:#FFF;
}