.mainTable_img_som_collumn{
    margin:0px;
    padding:0px;
    
}
.mainTable_img_som_collumn td{
    background-image:url(/img/corner.jpg);
    background-position:left;
    background-repeat:no-repeat;
}
.mainTable_img_som_collumn_td{
    border:1px solid white;
    background-image:url(/img/corner.jpg);
    background-position:left;
    background-repeat:no-repeat;
}
.mainTable_img_som_collumn_tdhover{
    border:1px solid #f17a22;
    background-image:url(/img/corner.jpg);
    background-position:left;
    background-repeat:no-repeat;
}