.menum ul {
list-style-type: none;
margin: 0;
padding: 0;
}
.menum li {
float:left;
position:relative;
width:150px;
}

.menum li ul {

display:none;
left:0;
position:absolute;
top:39px;

}

.menum ul li a {

background: #283142;
border-color:#cccccc #888888 #555555 #bbbbbb;
border-style:solid;
border-width:1px;
color:white;
display:block;
font: bold 12px arial, helvetica, sans-serif;
margin:0;
padding: 2px 3px;
text-decoration: none;
line-height:33px

}

.menum ul li a:hover{

background:302e2e;
color:#999;

}
.menum li:hover ul {
display:block;

}