#mainAccrdion table td:hover {
background-image: url(/Content/img/home_index_td_backgroud.bmp)!important;
}
!important 确定优先级。
#mainAccrdion table td:hover {
background-image: url(/Content/img/home_index_td_backgroud.bmp)!important;
}
!important 确定优先级。