.sticky-th {
    position: sticky; top: 0; background: white!important; z-index: 2;
}
.background-red {
    background: #C62828!important;
    color:white;


}
.background-green {
    background: #388E3C!important;
    color:white;

}
.background-gray {
    background: #A09A9AE5 !important;
    color:white;

}