<div class="navigation">
    <table>
        <tr>
            <td><a href="index.php">home</a></td>
            <td>&nbsp;</td>
            <td><a href="about.php">about</a></td>
            <td>&nbsp;</td>
            <td><a href="music.php">music</a></td>
            <td>&nbsp;</td>
            <td><a href="geeking.php">geeking</a></td>
            <td>&nbsp;</td>
            <td><a href="contact.php">contact</a></td>
        </tr>
    </table>
</div>

div.navigation{
    text-align: center;
    color: hsla(200,50%,45%,0.6);
    margin: auto;
    font-family: monospace;
    letter-spacing: 2px;
    position: relative;
    top: -13px;
    margin: 20px auto 20px auto;
    width: 60%;
}

.navigation table{
    height: 70px;
}

th{
text-align: center;
color: hsla(180,50%,45%,0.4);
font-size: 1.1em;
}

table{
border-collapse: collapse;
margin: auto;
margin-top: 0px;
}

table,th{
border: 0px solid black;
padding: 5px;
}


.navigation a{
    text-decoration: none;
    color: hsla(200,50%,45%,0.6);
    background-color: transparent, white;
    text-transform: lowercase;
    font-size: 1.2em;
    -webkit-transition: all 0.4s linear;
    -moz-transition: all 0.4s linear;
    -o-transition: all 0.4s linear;
    -ms-transition: all 0.4s linear;
    transition: all 0.4s linear;
    letter-spacing: 0px;
    width: 50px;
    height: 100px;
}

.navigation a:hover{
    color: white;
    -webkit-transition: all 0.2s linear;
    -moz-transition: all 0.2s linear;
    -o-transition: all 0.2s linear;
    -ms-transition: all 0.2s linear;
    transition: all 0.2s linear;
    width: auto;
    height: auto;
    font-size: 2em;
    font-weight: bold;
    letter-spacing: 2px;
    text-shadow:    0 0 20px hsla(180,50%,40%,.6),
                    0 0 40px hsla(200,50%,45%,.8);
}

<div class="menu">
    <ul>
        <li><a href="index.php">Home</a></li>
        <li><a href="">About</a></li>
        <li><a href="">Music</a></li>
        <li><a href="">Geeking</a></li>
        <li><a href="">Contact</a></li>
    </ul>
</div>

.menu{
    position: fixed;
    left:0;
    right:0;
    top:0;
    margin: auto;
    text-transform: lowercase;
    text-align: center;
}

.navigation table{
    height: 70px;
}

.menu li{
    list-style: none outside none;
    display: inline;
}

.menu a{
    text-decoration: none;
    color: hsla(200,50%,45%,0.6);
    font-size:  1.2em;
    letter-spacing: 0px;
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    -ms-transition: all 0.4s ease;
    transition: all 0.4s ease;
}


.menu a:hover{
    color: white;
    font-size: 2em;
    font-weight: 600;
    letter-spacing: 2px;

    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    -ms-transition: all 0.2s ease;
    transition: all 0.2s ease;

    text-shadow:    0 0 20px hsla(180,50%,40%,.6),
            0 0 40px hsla(200,50%,45%,.8);
}

.navigation table{
    height: 70px;
}

.menu ul {
    display: table;
    text-align: center;
    height: 70px;
    padding: 0px;
    margin-top: 0px;
    margin-right: auto;
    margin-bottom: 0px;
    margin-left: auto;
    width: auto;
}

.menu li {
    display: table-cell;
    list-style-image: none;
    list-style-type: none;
    text-align: center;
    vertical-align: middle;
    padding-right: 6px;
    padding-left: 6px;
    padding-top: 0px;
    padding-bottom: 0px;
    margin: 0px;
}

.menu a {
    height: 50px;
    line-height: 50px;
}

.menu a {
  vertical-align: middle;
}