My menu items that have submenus don't have class .yuimenuitem-hassubmenu (so that I get the arrows on them).
I'm including my modified safe_menu.css (changes in red):
/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
developer.yahoo.net/yui/license.txt
version: 2.7.0
*/
{$id} .yuimenu {
top: -999em;
left: -999em;
}
{$id} .yuimenubar {
position: static;
}
{$id} .yuimenu .yuimenu,
{$id} .yuimenubar .yuimenu {
position: absolute;
}
{$id} .yuimenubar li,
{$id} .yuimenu li {
list-style-type: none;
display: block;
background-color: transparent;
text-align: left;
}
{$id} .yuimenubar ul,
{$id} .yuimenu ul {
background-color: transparent;
}
{$id} .yuimenubar ul,
{$id} .yuimenu ul,
{$id} .yuimenubar li,
{$id} .yuimenu li,
{$id} .yuimenu h6,
{$id} .yuimenubar h6 {
margin: 0;
padding: 0;
}
{$id}.yui-skin-sam .yuimenubarnav .yuimenubaritem,
{$id}.yui-skin-sam .yuimenunav .yuimenuitem {
display: block;
}
{$id} .yuimenuitemlabel,
{$id} .yuimenubaritemlabel {
text-align: left;
white-space: nowrap;
}
{$id} UL LI A.yuimenuitemlabel,
{$id} UL LI A.yuimenuitemlabel:link,
{$id} UL LI A.yuimenuitemlabel:hover,
{$id} UL LI A.yuimenuitemlabel:visited,
{$id} UL LI A.yuimenubaritemlabel,
{$id} UL LI A.yuimenubaritemlabel:link,
{$id} UL LI A.yuimenubaritemlabel:hover,
{$id} UL LI A.yuimenubaritemlabel:visited {
background-color: transparent;
float: none;
}
{$id} .yuimenubar ul {
*zoom: 1;
}
{$id} .yuimenubar .yuimenu ul {
*zoom: normal;
}
{$id} .yuimenubar>.bd>ul:after {
content: ".";
display: block;
clear: both;
visibility: hidden;
height: 0;
line-height: 0;
}
{$id} .yuimenubaritem {
float: left;
}
{$id} .yuimenubaritemlabel,
{$id} .yuimenuitemlabel {
display: block;
*display: inline-block;
}
{$id} .yuimenuitemlabel .helptext {
font-style: normal;
display: block;
margin: -1em 0 0 10em;
}
{$id} .yui-menu-shadow {
position: absolute;
visibility: hidden;
z-index: -1;
}
{$id} .yui-menu-shadow-visible {
top: 2px;
right: -3px;
left: -3px;
bottom: -3px;
visibility: visible;
}
{$id} .hide-scrollbars * {
overflow: hidden;
}
{$id} .hide-scrollbars select {
display: none;
}
{$id} .yuimenu .show-scrollbars,
{$id} .yuimenubar.show-scrollbars {
overflow: visible;
}
{$id} .yuimenu .hide-scrollbars .yui-menu-shadow,
{$id} .yuimenubar.hide-scrollbars .yui-menu-shadow {
overflow: hidden;
}
{$id} .yuimenu .show-scrollbars .yui-menu-shadow,
{$id} .yuimenubar.show-scrollbars .yui-menu-shadow {
overflow: auto;
}
{$id} .yui-overlay.yui-force-redraw {
margin-bottom: 1px;
}
{$id}.yui-skin-sam .yuimenubar {
font-size: 93%;
line-height: 2;
*line-height: 1.9;
border: solid 1px #192e55;
background: url(js/build/assets/skins/sam/sprite2.png) repeat-x 0 0;
}
{$id}.yui-skin-sam .yuimenubarnav .yuimenubaritem {
border-right: solid 1px #192e55;
}
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel,
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel:link,
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel:visited{
padding: 0 10px 0 10px;
color: #192e55;
text-decoration: none;
text-align:center;
cursor: default;
border-style: solid;
border-color: #192e55;
border-width: 1px 0;
*position: relative;
margin: -1px 0;
font-size: 93%;
line-height: 2;
*line-height: 1.6;
*display: inline-block;
width:83.7px;
background:url(js/build/assets/skins/sam/menu.gif);
}
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel:hover {
padding: 0 10px 0 10px;
color: #fff;
text-decoration: none;
text-align:center;
cursor: default;
border-bottom-style: solid;
border-bottom-color: #fff;
border-bottom-width: 1px;
*position: relative;
margin: -1px 0;
font-size: 93%;
line-height: 2;
*line-height: 1.6;
*display: inline-block;
width:83.7px;
background:#192e55;
}
/*
{$id}.yui-skin-sam .yuimenubarnav LI A.yuimenubaritemlabel,
{$id}.yui-skin-sam .yuimenubarnav LI A.yuimenubaritemlabel:link,
{$id}.yui-skin-sam .yuimenubarnav LI A.yuimenubaritemlabel:visited,
{$id}.yui-skin-sam .yuimenubarnav LI A.yuimenubaritemlabel:hover {
font-size: 93%;
line-height: 2;
*line-height: 1.9;
padding-right: 20px;
*display: inline-block;
}*/
{$id}.yui-skin-sam .yuimenubarnav .yuimenubaritemlabel-hassubmenu {
background: url(js/build/menu/assets/skins/sam/menubaritem_submenuindicator.png) right center no-repeat;
}
{$id}.yui-skin-sam .yuimenubaritem-selected {
background: url(js/build/assets/skins/sam/sprite2.png) repeat-x 0 -1700px;
}
{$id}.yui-skin-sam A.yuimenubaritemlabel-selected {
border-color: #192e55;
}
{$id}.yui-skin-sam .yuimenubarnav .yuimenubaritemlabel-selected {
border-left-width: 1px;
margin-left: -1px;
*left: -1px;
}
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel-disabled,
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel-disabled:visited,
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel-disabled:link,
{$id}.yui-skin-sam UL LI A.yuimenubaritemlabel-disabled:hover {
cursor: default;
color: #A6A6A6;
}
{$id}.yui-skin-sam .yuimenubarnav .yuimenubaritemlabel-hassubmenu-disabled {
background-image: url(js/build/menu/assets/skins/sam/menubaritem_submenuindicator_disabled.png);
}
{$id}.yui-skin-sam .yuimenu {
font-size: 93%;
line-height: 1.5;
*line-height: 1.45;
}
{$id}.yui-skin-sam .yuimenubar .yuimenu,
{$id}.yui-skin-sam .yuimenu .yuimenu {
font-size: 100%;
}
{$id}.yui-skin-sam .yuimenu .bd {
*zoom: 1;
_zoom: normal;
border: solid 1px #192e55;
background-color: #fff;
}
{$id}.yui-skin-sam .yuimenu .yuimenu .bd {
*zoom: normal;
}
{$id}.yui-skin-sam .yuimenu ul {
padding: 3px 0;
border-width: 1px 0 0 0;
border-color: #192e55;
border-style: solid;
}
{$id}.yui-skin-sam .yuimenu ul.first-of-type {
border-width: 0;
}
{$id}.yui-skin-sam .yuimenu h6 {
font-weight: bold;
border-style: solid;
border-color: #192e55;
border-width: 1px 0 0 0;
color: #a4a4a4;
padding: 3px 10px 0 10px;
}
{$id}.yui-skin-sam .yuimenu ul .hastitle,
{$id}.yui-skin-sam .yuimenu h6.first-of-type {
border-width: 0;
}
{$id}.yui-skin-sam .yuimenu .yui-menu-body-scrolled {
border-color: #ccc #808080;
overflow: hidden;
}
{$id}.yui-skin-sam .yuimenu .topscrollbar,
{$id}.yui-skin-sam .yuimenu .bottomscrollbar {
height: 16px;
border: solid 1px #808080;
background: #fff url(js/build/assets/skins/sam/sprite2.png) no-repeat 0 0;
}
{$id}.yui-skin-sam .yuimenu .topscrollbar {
border-bottom-width: 0;
background-position: center -950px;
}
{$id}.yui-skin-sam .yuimenu .topscrollbar_disabled {
background-position: center -975px;
}
{$id}.yui-skin-sam .yuimenu .bottomscrollbar {
border-top-width: 0;
background-position: center -850px;
}
{$id}.yui-skin-sam .yuimenu .bottomscrollbar_disabled {
background-position: center -875px;
}
{$id}.yui-skin-sam LI.yuimenuitem {
float: none;
_border-bottom: solid 1px #fff;
}
ul{
padding:0;
margin:0;
}
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel {
padding: 0 10px 0 10px;
color: #192e55;
text-decoration: none;
text-align:center;
cursor: default;
border-style: solid;
border-color: #192e55;
border-width: 1px 0;
*position: relative;
margin: -1px 0;
font-size: 93%;
line-height: 2;
*line-height: 1.6;
*display: inline-block;
background:url(js/build/assets/skins/sam/menu.gif);
/*
padding: 0 20px !important;
color: #000;
text-decoration: none;
cursor: default;
border: 0;
background-color: transparent;
line-height: 1.5;
*line-height: 1.45;
height: auto;
*/
}
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel:hover {
padding: 0 10px 0 10px;
color: #fff;
text-decoration: none;
text-align:center;
cursor: default;
border-bottom-style: solid;
border-bottom-color: #fff;
border-bottom-width: 1px;
*position: relative;
margin: -1px 0;
font-size: 93%;
line-height: 2;
*line-height: 1.6;
*display: inline-block;
background:#192e55;
}
{$id}.yui-skin-sam .yuimenuitemlabel .helptext {
margin-top: -1.5em;
*margin-top: -1.45em;
}
{$id}.yui-skin-sam LI.yuimenuitem-hassubmenu {
background-image: url(js/build/menu/assets/skins/sam/menuitem_submenuindicator.png);
background-position: right center;
background-repeat: no-repeat;
}
{$id}.yui-skin-sam .yuimenuitem-checked {
background-image: url(js/build/menu/assets/skins/sam/menuitem_checkbox.png);
background-position: left center;
background-repeat: no-repeat;
}
{$id}.yui-skin-sam .yui-menu-shadow-visible {
background-color: #000;
opacity: .12;
filter: alpha(opacity = 12);
}
{$id}.yui-skin-sam UL LI.yuimenuitem-selected,
{$id}.yui-skin-sam UL LI.yuimenuitem-selected,
{$id}.yui-skin-sam UL LI.yuimenuitem-selected,
{$id}.yui-skin-sam UL LI.yuimenuitem-selected {
background-color: #B3D4FF;
}
{$id}.yui-skin-sam UL LI.yuimenuitem-disabled,
{$id}.yui-skin-sam UL LI.yuimenuitem-disabled,
{$id}.yui-skin-sam UL LI.yuimenuitem-disabled,
{$id}.yui-skin-sam UL LI.yuimenuitem-disabled {
background-color: transparent;
}
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel-disabled,
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel-disabled:visited,
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel-disabled:link,
{$id}.yui-skin-sam UL LI A.yuimenuitemlabel-disabled:hover {
cursor: default;
color: #A6A6A6;
}
{$id}.yui-skin-sam .yuimenuitem-hassubmenu-disabled {
background-image: url(js/build/menu/assets/skins/sam/menuitem_submenuindicator_disabled.png);
}
{$id}.yui-skin-sam .yuimenuitem-checked-disabled {
background-image: url(js/build/menu/assets/skins/sam/menuitem_checkbox_disabled.png);
}
and my css styles from the module parameters:
#{$id} ul li.yuimenubaritem {
width: 163px;}
h3{margin:0;}
#ariyui30.yui-skin-sam .yuimenu .bd ul{padding:0;margin:0;}