http://peacepopo.net/blog-entry-61.html
CSS Menu Maker

色んなデザインのメニューが用意されており、自分好みのメニューを簡単に作成することが出来るジェネレーターになります。

はあ～Platinum Flyout Menuというのね。WORDPRESS PLUGINもあるのでした。有料でした。14＄おや？ダウンロードは無料でした。

cssの分量は大きいです。

/* Starter CSS for Flyout Menu */
#cssmenu {
padding: 0;
margin: 0;
border: 0;
}
#cssmenu ul,
li {
list-style: none;
margin: 0;
padding: 0;
}
#cssmenu ul {
position: relative;
z-index: 597;
float: left;
}
#cssmenu ul li {
float: left;
min-height: 1px;
line-height: 1em;
vertical-align: middle;
}
#cssmenu ul li.hover,
#cssmenu ul li:hover {
position: relative;
z-index: 599;
cursor: default;
}
#cssmenu ul ul {
visibility: hidden;
position: absolute;
top: 100%;
left: 0;
z-index: 598;
width: 100%;
}
#cssmenu ul ul li {
float: none;
}
#cssmenu ul li:hover > ul {
visibility: visible;
}
#cssmenu ul ul {
top: 0;
left: 100%;
}
#cssmenu ul li {
float: none;
}
/* Custom Stuff */
#cssmenu {
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
-moz-box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.15);
-webkit-box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.15);
box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.15);
width: 200px;
}
#cssmenu span,
#cssmenu a {
display: inline-block;
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
text-decoration: none;
}
#cssmenu:after,
#cssmenu ul:after {
content: ”;
display: block;
clear: both;
}
#cssmenu > ul > li:first-child {
-moz-border-radius: 5px 5px 0 0;
-webkit-border-radius: 5px 5px 0 0;
border-radius: 5px 5px 0 0;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#cssmenu > ul > li:last-child {
-moz-border-radius: 0 0 5px 5px;
-webkit-border-radius: 0 0 5px 5px;
border-radius: 0 0 5px 5px;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#cssmenu > ul > li ul ul {
-moz-border-radius: 0 6px 6px 0;
-webkit-border-radius: 0 6px 6px 0;
border-radius: 0 6px 6px 0;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#cssmenu > ul > li ul ul li:first-child {
-moz-border-radius: 0 5px 0 0;
-webkit-border-radius: 0 5px 0 0;
border-radius: 0 5px 0 0;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#cssmenu > ul > li ul ul li:last-child {
-moz-border-radius: 0 0 5px 0;
-webkit-border-radius: 0 0 5px 0;
border-radius: 0 0 5px 0;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
}
#cssmenu ul,
#cssmenu li {
width: 100%;
}
#cssmenu li {
background: #dddddd url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAJCAMAAAA8eE0hAAAAUVBMVEX////MzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzNzc3l5eXg4ODZ2dnMzMzi4uLS0tLe3t7Q0NDV1dXj4+PW1tbk5OTc3NzPz8/R0dH0Zv5RAAAAC3RSTlMAM2YekAmlPHuEAwArv7wAAAA/SURBVHheY2Dl5mdigABGKV5BNnYok4dHQpKFGcrkEefj5gAzQUBABM7kFYQyRcX4mUBMkEpOLrA2IWGwfgYAn0UDZszv8IwAAAAASUVORK5CYII=) repeat-x;
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #e5e5e5), color-stop(1, #dddddd));
background-image: -webkit-linear-gradient(top, #e5e5e5, #dddddd);
background-image: -moz-linear-gradient(top, #e5e5e5, #dddddd);
background-image: -ms-linear-gradient(top, #e5e5e5, #dddddd);
background-image: -o-linear-gradient(top, #e5e5e5, #dddddd);
background-image: linear-gradient(#e5e5e5, #dddddd);
}
#cssmenu li:hover {
background: #f6f6f6;
}
#cssmenu a {
color: #666666;
line-height: 160%;
padding: 11px 28px 11px 28px;
width: 144px;
}
#cssmenu ul ul {
width: 200px;
border: 1px solid #dddddd;
-moz-box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
-webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}
#cssmenu ul ul li {
background: #f6f6f6;
}
#cssmenu ul ul li:hover {
background: #dddddd;
}
#cssmenu ul ul li:hover a {
color: #AE0001;
}
#cssmenu ul ul li ul li {
background: #dddddd;
}
#cssmenu ul ul li ul li:hover {
background: #b7b7b7;
}
#cssmenu .has-sub {
position: relative;
}
#cssmenu .has-sub:after,
#cssmenu .has-sub > ul > .has-sub:hover:after {
content: ”;
display: block;
width: 10px;
height: 9px;
position: absolute;
right: 5px;
top: 50%;
margin-top: -5px;
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAJCAMAAAA8eE0hAAAAUVBMVEX////MzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzMzNzc3l5eXg4ODZ2dnMzMzi4uLS0tLe3t7Q0NDV1dXj4+PW1tbk5OTc3NzPz8/R0dH0Zv5RAAAAC3RSTlMAM2YekAmlPHuEAwArv7wAAAA/SURBVHheY2Dl5mdigABGKV5BNnYok4dHQpKFGcrkEefj5gAzQUBABM7kFYQyRcX4mUBMkEpOLrA2IWGwfgYAn0UDZszv8IwAAAAASUVORK5CYII=);
-moz-transform: rotate(360deg);
-o-transform: rotate(360deg);
-ms-transform: rotate(360deg);
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
#cssmenu .has-sub > ul > .has-sub:after,
#cssmenu .has-sub:hover:after {
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAJCAMAAAA8eE0hAAAAUVBMVEX////d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3d3e3t729vbx8fHq6urd3d3z8/Pj4+Pv7+/h4eHm5ub09PTn5+f19fXt7e3g4ODi4uLUsVdlAAAAC3RSTlMAM2YekAmlPHuEAwArv7wAAAA/SURBVHheY2Dl5mdigABGKV5BNnYok4dHQpKFGcrkEefj5gAzQUBABM7kFYQyRcX4mUBMkEpOLrA2IWGwfgYAn0UDZszv8IwAAAAASUVORK5CYII=);
}