td:first-child
{
    position: sticky;
    left: 0;
}

th
{
    position: sticky;
    top: 0;
}

tr:hover
{
    background-color: #BDC3C7;
}

td:hover
{
    background-color: #BDC3C7;
}

tr:hover td
{
    background-color: #BDC3C7;
}