.tab{line-height: unset;}
.tab table{
    width: 100%;
    border-top: 1px solid #000;
    border-left: 1px solid #000;
    border-collapse: collapse;
}
.tab table tr{width: 100%;}
.tab table tr td{
    border-bottom: 1px solid #000;
    border-right: 1px solid #000;
}
.tab table .d_td{
    padding: 10px 5px;
    font-size: 14px;
}