table.table-expandable > tbody > tr:nth-child(odd) {
    cursor: pointer;
}

table.table-expandable.table-hover > tbody > tr:nth-child(even):hover td {

}

table.table-expandable > tbody > tr div.table-expandable-arrow {
    background:transparent url(../images/arrows3.png) no-repeat scroll 0px -16px; width:16px; height:16px; display:block;
}

table.table-expandable > tbody > tr div.table-expandable-arrow.up {
    background-position:top left;
}