table{
  border-collapse:collapse;
  border-spacing: 1px 0;
}

div.table_aboutus th{
  width: 16%;
  font-size: 18px;
  padding: 14px;
  border-bottom: 1px solid #fff;
}

div.table_aboutus td{
  font-size: 18px;
  width: 100%!important;
  padding: 14px;
  padding-right: 10px;
  border-bottom: 1px solid #fff;
}


@media screen and (max-width: 587px){
  div.table_aboutus th{
    width: 100%;
    border-bottom: none;
    display: inline-table;
    text-align: left;
  }
  div.table_aboutus td{
    width: 100%!important;
    border-bottom: 1px solid #fff;
    display: inline-table;
  }
  table{
    border-collapse:inherit;
  }
}