div#contact-form .col-md-4 {
  padding-left: 5px;
  padding-right: 0px;
}

div#contact-form .col-md-6 {
  padding-left: 5px;
  padding-right: 0px;
}

div#contact-form .col-12 {
  padding-left: 5px;
  padding-right: 0px;
}