.launch_overlay {
  width: 400px;
  height: 400px;
  padding: 0;
  visibility: visible;
}

.nav {
visibility: hidden;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #261828;
}

li {
    float: left;
}

li a {
    display: block;
    color: #b6dc76;
    font: Roboto;
    font-weight: bold;
    text-align: center;
    font-size:20px;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: #111;
}