h4 {
  margin-top: 25px;
}
.row {
  margin-bottom: 20px;
}
.row .row {
  margin-top: 10px;
  margin-bottom: 0;
}
[class*="col-"] {
  padding-top: 15px;
  padding-bottom: 15px;
}

hr {
  margin-top: 40px;
  margin-bottom: 40px;
}
.page-header {
  margin-top: 80px;
}
.table>tbody>tr>td {
  height:37px;
}
.add-string, .remove-string {
  cursor: pointer;
}
.add-string {
  color:green;
  margin-left:7px;
}
.remove-string {
  color:red;
}
.add-rem-col {
  width:55px;
}