Centrer la barre des onglets

juste avant ]]></b:skin> ou dans CSS

ajoutez ceci

#crosscol
{
text-align: center;
}
#crosscol .PageList ul{
list-style-type: none;
list-style-image: none;
border: 0px;
}
#crosscol .PageList li {
list-style-type: none;
list-style-image: none;
display: inline;
float: none;
border: 0px;
}
.tabs-inner .widget li a {
border: solid 2px #eeeeee;
}
.tabs-inner .widget li:first-child a {
border-left: solid 2px #eeeeee;
}
.tabs-inner .widget ul { text-align: center; }
.tabs-inner .widget li { float: inherit; display: inline-block; }