É recomendável que você faça um backup completo de seu template antes de prosseguir.
Vamos começar adicionando o script. Procure por:
Adicione o código a seguir:
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js' type='text/javascript'/>
<script type='text/javascript'>
$(function() {
var d=300;
$('#navigation a').each(function(){
$(this).stop().animate({
'marginTop':'-80px'
},d+=150);
});
$('#navigation > li').hover(
function () {
$('a',$(this)).stop().animate({
'marginTop':'-2px'
},200);
},
function () {
$('a',$(this)).stop().animate({
'marginTop':'-80px'
},200);
}
);
});
</script>
Agora vamos ao CSS, procure pela tag:
Acime dela adicione o código:
/* Aqui definimos as propriedades CSS para a lista do menu */
ul#navigation {
position: fixed;
margin: 0px;
padding: 0px;
top: 0px;
right: 10px;
list-style: none;
z-index:999999;
width:721px;
}
ul#navigation li {
width: 103px;
display:inline;
float:left;
}
ul#navigation li a {
display: block;
float:left;
margin-top: -2px;
width: 100px;
height: 25px;
background-color:#E7F2F9; /*---cor de fundo---*/
background-repeat:no-repeat;
background-position:50% 10px;
border:1px solid #BDDCEF; /*---cor da borda---*/
-moz-border-radius:0px 0px 10px 10px;
-webkit-border-bottom-right-radius: 10px;
-webkit-border-bottom-left-radius: 10px;
-khtml-border-bottom-right-radius: 10px;
-khtml-border-bottom-left-radius: 10px;
text-decoration:none;
text-align:center;
padding-top:80px;
opacity: 0.7;
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=70);
}
ul#navigation li a:hover{
background-color:#CAE3F2;
opacity: 1;
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=100);
}
ul#navigation li a span{
letter-spacing:2px;
font-size:11px;
color:#60ACD8; /*---cor do link---*/
text-shadow: 0 -1px 1px #fff;
}
/* Aqui definimos as imagens de fundo para os links dos itens da lista do menu*/
ul#navigation .home a{
background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnAviDoX79NWL2PL6yr9JUlcMTD9tU7yOgdZUy_SW4duLHxiqKFE5AX3crK-p6FpFf0-e1yMAfVFW0fRq0hvGdRtKIS0nvLQyJysYZkksUx-spJfv0U4cy0U6qmSua3EMtvcbUzj_O9Xo/s1600/home+%25281%2529.png);
}
ul#navigation .sobre a {
background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgMi8h-aVIqwIebkPRlhR3qlhTQt2zZR1rO_-dGcotDraQctLSXA4QLbW8V2qPu7Q7Rt43_N7O8X1ZKKy-nG-np392DXjvZ6Xg_IzU-liD1hOMULPX1n2UO0bevnln_EtjXf4zr6z-HzY/s1600/id_card+%25281%2529.png);
}
ul#navigation .contato a {
background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0Jt6DExRtjlY4yRT6dVFJ37AqBR503jl2LZinsb7xZ2vGMFDYwZmo1DGODCzLmYE5msh40qSw7sbPG5_iT23jXM5YrQ_1c_2-6RwXvAxsaAUn8kNHrcfX-Hh3gJrpq9ot9trMi5QXpFo/s1600/mail+%25281%2529.png);
}
ul#navigation .feedrss a {
background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEich9vWCbRCC_YQY2Ciw56gzra9KMRdRg7gqu6YN2OiqNCsicvXn95vWwRalR_zj8e0IoMX_nCnCEyohL8zykZeap8YArnyO3dNTIKpjPzxd6g3E89kem9FLzpWH1yZEl_dUFzUaWZP2ys/s1600/rss+%25281%2529.png);
}
ul#navigation .imagens a {
background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdNMhH07zdFVCYE_A7_Xhb6Wq7UsljZQfSZFaEll4qVk9f-eqjpwuUPVhpaM9ToGuU0cDSTLVBPiLzyqqj9zc8pY73Tggk9WvAmY5Y4r7ZpZ8kpwutAy_idBOLnCD7z5zfKtRpD-klA7A/s1600/images.png);
}
Pronto, agora por último, a estrutura HTML, que deverá ficar acima da tag:
O código a ser adicionado é:
<ul id='navigation'>
<li class='home'><a href='URL-AQUI'><span>Home</span></a></li>
<li class='sobre'><a href='URL-AQUI'><span>Sobre</span></a></li>
<li class='contato'><a href='URL-AQUI'><span>Contato</span></a></li>
<li class='feedrss'><a href='URL-AQUI'><span>Feed</span></a></li>
<li class='imagens'><a href='URL-AQUI'><span>Imagens</span></a></li>
</ul>
Pronto, seu menu está adicionado, agora é só editar ao seu gosto.
Tutorial adaptado de: Mundo Blogger