Menu principale:
<style>
/* primo tab */
.first-tab {
background: url('files/it3_1.png') center no-repeat;
}
/* secondo tab */
.text-tabs-inner a:nth-child(2) {
background: url('files/uk3_1.png') center no-repeat;
}
/* ultimo tab */
.last-tab {
background: url('files/fr3_1.png') center no-repeat;
}
</style>