#nav {
    z-index: 4;
    width: 100%;
    position: fixed;
    float: right;
}
#nav ul {
width:100%;
float:right;
margin: 0px;
}
#nav ul li {
    float:right;
    list-style:none;
    transition:background-color 0.5s;
}
#nav ul li a {
font-size: 18px;
display:block;
padding:20px 55px;
color:white;
transition:color 0.5s;
font-family:monospace;
}
.liHover:hover {
background-color:black;
transition: background-color 0.5s;
}
#nav ul li a:hover {
cursor:pointer;
text-decoration:none;
color:#efefef;
transition:color 0.5s;
}