/*
A {display:block; background-color:silver; border:solid white 1px;}

DIV {display:none; position:absolute; background-color:gray; border:solid silver 1px; margin-top:-20px; margin-left:100px;}

LI:hover>DIV {display:block;}

LI {border:solid red 1px; width:100px;}
*/

.desplegable UL {
    margin:0;
    padding:0;
    }

.desplegable UL UL {
    display:none;
    float:right;
}

.desplegable A {
    display:inline-block;
    border:solid black 1px;
    width:100px;
    float:left;
    }
    
.desplegable LI {
    overflow:auto;
    }
    
.desplegable LI:hover>UL {
    display:inline-block;
    }
    
.desplegable {
    border:solid black 1px;
    }