.addthis_32x32_style .dummy .at300bs, .addthis_32x32_style .at300bs, .addthis_32x32_style .at15t {
    background: url("images/addthisLarge_sprite.png") no-repeat scroll left center;
}

.at16nc {
    background: url("images/addthisSmall_sprite.png") no-repeat scroll 0 0 transparent;
}