body,html { margin: 0; font: bold 14px/1.4 'Open Sans', arial, sans-serif; background: #000; } ul { margin: 150px auto 0; padding: 0; list-style: none; display: table; width: 600px; text-align: center; } li { display: table-cell; position: relative; padding: 15px 0; } a { color: #fff; text-transform: uppercase; text-decoration: none; letter-spacing: 0.15em;
display: inline-block;
padding: 15px 20px;
position: relative;
}
a:after {
background: none repeat scroll 0 0 transparent;
bottom: 0;
content: "";
display: block;
height: 2px;
left: 50%;
position: absolute;
background: #fff;
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;
}
}