Modelo 1
/* PageNav
--------------------------- */
.showpageArea a {
text-decoration:underline;
}
.showpageNum a {
text-decoration:none;
border: 1px solid #cccccc; /* edite a cor da borda se quiser*/
margin:0 3px;
padding:3px;
}
.showpageNum a:hover {
border: 1px solid #cccccc; /* edite a cor da borda */
background-color:#cccccc; /* edite a cor de fundo se quiser*/
}
.showpagePoint {
color:#333; /* edite a cor da fonte */
text-decoration:none;
border: 1px solid #cccccc; /* edite a cor da borda se quiser*/
background: #cccccc; /* edite a cor de fundo se quiser*/
margin:0 3px;
padding:3px;}
.showpageOf {
text-decoration:none;
padding:3px;
margin: 0 3px 0 0;}
.showpage a {
text-decoration:none;
border: 1px solid #cccccc; /* edite a cor da borda se quiser*/
padding:3px;}
.showpage a:hover {
text-decoration:none;
}
.showpageNum a:link,.showpage a:link {
text-decoration:none;
color:#333333; /* edite a cor da fonte */
}

Modelo 2

/* PageNav
--------------------------- */
.showpageArea {
font-family:verdana,arial,helvetica;
color: #000;
font-size:11px;
margin:10px; }
.showpageArea a {
color: #fff;
}
.showpageNum a {
padding: 3px 4px;
margin:0 4px;
text-decoration: none;
border-top:2px solid #000;
border-left:1px solid #000;
border-right:1px solid #000;
border-bottom:1px solid #000;
background: #666 url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp4.jpg) 0 -25px repeat-x; }


.showpageNum a:hover {
border-top:2px solid #999;
border-left:1px solid #999;
border-right:1px solid #999;
border-bottom:1px solid #999;
background: #999 url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp4.jpg) 0 -50px repeat-x;
}
.showpagePoint {
color:#fff;
padding: 3px 8px;
margin: 2px;
font-weight: 700;
border-top:2px solid #000;
border-left:1px solid #000;
border-right:1px solid #000;
border-bottom:1px solid #000;
background: #000 url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp4.jpg) 0 0 repeat-x;
text-decoration: none;
}
.showpageOf{ margin:0 8px 0 0;
}

Modelo 3

/* PageNav
--------------------------- */
.showpageArea {
font-family:verdana,arial,helvetica;
color: #000;
font-size:11px;
margin:10px; }


.showpageArea a {
color: #000;
text-shadow:0 1px 2px #fff;
font-weight: 700;
}
.showpageNum a {
padding: 3px 8px;
margin:0 4px;
text-decoration: none;
border:1px solid #999;
-webkit-border-radius:3px;-moz-border-radius:3px;
background: #ddd url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp1.jpg) 0 -50px repeat-x;
}
.showpageNum a:hover {
border:1px solid #888;
background: #ccc url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp1.jpg) 0 -25px repeat-x;
}
.showpageOf{
margin:0 8px 0 0;
}
.showpagePoint {
color:#fff;
text-shadow:0 1px 2px #333;
padding: 3px 8px;
margin: 2px;
font-weight: 700;
-webkit-border-radius:3px;-moz-border-radius:3px;
border:1px solid #999;
background: #666 url(http://i879.photobucket.com/albums/ab351/bloggerblogimage/wp1.jpg) 0 0 repeat-x;
text-decoration: none;
}