dt, dd {
  margin-bottom: .5em;
}

.tel {
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: .25rem;
  transition: border-color .15s;
  padding: .375rem .75rem;
}

.tel:focus {
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}