.sub_tr, .sub_td {
    border: 1px solid #ddd;
    padding: 7px;
    text-align: left;
}
.sub_th {
    background-color: #cae2ff;
    font-weight: bold;
}
.sub_tr:nth-child(even) {
    background-color: #f9f9f9;
}
.sub_tr:hover {
    background-color: #f1f1f1;
}
.sub_tb{
    font-size: 12px;
}
.ti_p{
    padding: 5px;
    font-size: 13px;
    text-align: center;
}