.submit-form {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translate(-50%);
  z-index: 99;
  width: 100%;
  height: 100%;
  padding-top: 100px;
  background-color: rgba(0, 0, 0, .35);
}
.submit-form .container{
  margin: 0 auto;
  display: flex;
  justify-content: center;
}
#contact-form {
  width: 690px;
}
.form-group.input-material {
  position: relative;
  margin-top: 50px;
  margin-bottom: 25px;
}
.form-group.input-material label {
  color: #b1bbc4;
  font-size: 16px;
  font-weight: normal;
  position: absolute;
  pointer-events: none;
  left: 5px;
  top: 7px;
  transition: 0.1s ease all;
  -moz-transition: 0.1s ease all;
  -webkit-transition: 0.1s ease all;
}
.form-group.input-material .form-control {
  border: none;
  border-bottom: 2px solid #ced4da;
  border-radius: 0px;
  background: transparent;
  padding-left: 5px;
  box-shadow: none;
  /* required fields */
  /* active state */
  /* invalid state */
}
.form-group.input-material .form-control:required ~ label::after {
  content: "*";
  color: #dc3545;
  padding-left: 2px;
  font-size: 0.8em;
}
.form-group.input-material .form-control:focus,
.form-group.input-material .form-control[value]:not([value=""]) {
  border-bottom-color: #007bff;
  color: #000;
}
.form-group.input-material .form-control:focus ~ label,
.form-group.input-material .form-control[value]:not([value=""]) ~ label {
  top: -25px;
  font-size: 14px;
  color: #007bff;
  font-weight: 500;
}
.form-group.input-material .form-control:focus.invalid,
.form-group.input-material .form-control.invalid,
.form-group.input-material .form-control:focus.parsley-error,
.form-group.input-material .form-control[value]:not([value=""]).parsley-error {
  border-bottom-color: #dc3545;
}
.form-group.input-material .form-control:focus.invalid ~ label,
.form-group.input-material .form-control.invalid ~ label,
.form-group.input-material .form-control:focus.parsley-error ~ label,
.form-group.input-material
  .form-control[value]:not([value=""]).parsley-error
  ~ label {
  color: #dc3545;
}
.form-group.input-material .parsley-errors-list {
  color: #dc3545;
  list-style: none;
  font-size: 0.7em;
  padding-left: 5px;
}
.btn-primary {
  width: 150px;
  background-color: #1989fb;
  color: #fff;
}
.btn-primary:hover {
  background-color: #0b5ed7;
}