superfish

/*** ESSENTIAL STYLES ***/
ul.sf-menu, .sf-menu * {
margin: 0;
padding: 0;
list-style: none;
}
.sf-menu { line-height: 1.0; }
ul.sf-menu ul.sub-menu, ul.sf-menu ul.children {
position: absolute;
width: 15em; /* left offset of submenus need to match (see below) */
margin-top: 0;
padding: 0;
}

ul.sf-menu li:hover { visibility: inherit; /* fixes IE7 'sticky bug' */ }
ul.sf-menu li {
float: left;
position: relative;
margin: 0;
}

ul.sf-menu li a{ padding: 10px 15px 10px; }
ul.sf-menu ul li a{ padding: 8px 15px 9px; }
.sf-menu a {
display: block;
position: relative;
}
.sf-menu li:hover ul,
.sf-menu li.sfHover ul {
left: 0;
top: 34px; /* match top ul list item height */
z-index: 99;
}
ul.sf-menu li:hover li ul,
ul.sf-menu li.sfHover li ul {
top: -999em;
}
ul.sf-menu li li:hover ul,
ul.sf-menu li li.sfHover ul {
left: 15em; /* match ul width */
top: 0;
}
ul.sf-menu li li:hover li ul,
ul.sf-menu li li.sfHover li ul {
top: -999em;
}
ul.sf-menu li li li:hover ul,
ul.sf-menu li li li.sfHover ul {
left: 15em; /* match ul width */
top: 0;
}

/*** DEMO SKIN ***/
.sf-menu {
float: left;
margin-bottom: 1em;
}
ul.sf-menu a {
padding: .75em 1em;
text-decoration:none;
}
ul.sf-menu ul li {
width: 100%;
}

ul.sf-menu a:focus, .sf-menu a:hover, .sf-menu a:active {
outline: 0;
}

/*** shadows for all but IE6 ***/
ul.sf-shadow ul.sub-menu, ul.sf-shadow ul.children {
background: url('images/shadow.png') no-repeat bottom right;
padding: 0 6px 7px 0px;
}
ul.sf-shadow ul.sub-menu.sf-shadow-off, ul.sf-shadow ul.children.sf-shadow-off {
background: transparent;
}

/*** arrows **/
ul.sf-menu a.sf-with-ul {
padding-right: 2.25em;
min-width: 1px; /* trigger IE7 hasLayout so spans position accurately */
}
span.sf-sub-indicator {
position: absolute;
display: block;
right: .75em;
top: 1.05em; /* IE6 only */
width: 10px;
height: 10px;
text-indent: -999em;
padding: 6px 0;
overflow: hidden;
background: url('images/arrows-ffffff.png') no-repeat -10px -100px; /* 8-bit indexed alpha png. IE6 gets solid image only */
}
a > span.sf-sub-indicator { /* give all except IE6 the correct values */
top: .8em;
background-position: 0 -96px; /* use translucent arrow for modern browsers*/
}
/* apply hovers to modern browsers */
a:focus > span.sf-sub-indicator,
a:hover > span.sf-sub-indicator,
a:active > span.sf-sub-indicator,
li:hover > a > span.sf-sub-indicator,
li.sfHover > a > span.sf-sub-indicator {
background-position: -10px -96px; /* arrow hovers for modern browsers*/
}

/* point right for anchors in subs */
ul.sf-menu ul span.sf-sub-indicator { background-position: -10px 1px; }
ul.sf-menu ul a > span.sf-sub-indicator { background-position: -10px 1px; }
/* apply hovers to modern browsers */
ul.sf-menu ul a:focus > span.sf-sub-indicator,
ul.sf-menu ul a:hover > span.sf-sub-indicator,
ul.sf-menu ul a:active > span.sf-sub-indicator,
ul.sf-menu ul li:hover > a > span.sf-sub-indicator,
ul.sf-menu ul li.sfHover > a > span.sf-sub-indicator {
background-position: -10px 1px; /* arrow hovers for modern browsers*/
}