body, html {
    background-color: lightgoldenrodyellow;
    font: bold 14px/1.4 'Open Sans', arial, sans-serif;
}


ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #aaaaaa;
}
li {
    display: table-cell;
    position: relative;
    padding: 15px 0;
}
a {
    color: #2d2d2d;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 0.15em;

    display: inline-block;
    padding: 2px 20px;
    position: relative;
}
a:after {
    background: none repeat scroll 0 0 transparent;
    bottom: 0;
    content: "";
    display: block;
    height: 2px;
    left: 50%;
    position: absolute;
    background: #2d2d2d;
    transition: width 0.3s ease 0s, left 0.3s ease 0s;
    width: 0;
}
a:hover:after {
    width: 100%;
    left: 0;
}
@media screen and (max-height: 300px) {
    ul {
        margin-top: 40px;
    }
}