div.shortcutoverlay{
    z-index:2000;
    position: relative; /*para crear un stacking context y que los tips queden encima de los dialogos*/
}

div.shortcuttip{
    color:whitesmoke;
    background-color: #2E2E2E;
    position: fixed;
    padding: 2px;
    border: 1px solid black;
    left:-100px;
    top:-100px;
    z-index:2000;
    min-width:20px;
    text-align:center;
}