.div-table {

  width: 100%;

}

.div-table .cell-tab {

  border: 1px solid #ddd;

}

.div-table .row-tab {

  display: flex;

}

.div-table .row-tab .cell-tab:nth-child(1) {

  flex: 1;

}

.div-table .row-tab .cell-tab:nth-child(2) {

  flex: 2;

}