body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

ul {
    list-style: none;
}

li {
    background-color: rgb(0, 100, 255);
    padding: 1em;
    width: 150px;
    height: 3em;
    margin: 1em;
    z-index: 1000;
    -moz-transition: -moz-transform .5s;
}

li:hover {
    -moz-transition: -moz-transform .5s;
}