form#prv-form input {
  display: block;
  padding: 8px;
  margin-top: 5px;
}

.grid-parent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 15px;
}

form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 30px;
  margin-top: 50px;
}

* {
  box-sizing: border-box;
}

input {
  width: 100%;
}

form > div {
  border: 1px solid black;
  padding: 30px;
  position: relative;
  border-radius: 5px;
}

form div h2 {
  position: absolute;
  background: white;
  top: -15px;
  margin: 0;
  padding: 0 10px;
}

.m10 {
  margin-top: 10px;
  display: block;
}

input[type="submit"] {
  width: fit-content;
  padding: 15px 25px !important;
  color: #fff;
  background-color: #359900;
  border: 0px;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}

input[type="submit"]:hover {
  background-color: #2a7a00;
}

.vehicule {
  height: fit-content;
}

@media only screen and (max-width: 1100px){
  form {
    grid-template-columns: 1fr;
  }

  .vehicule {
    margin-top: 30px;
  }

  input[type="submit"] {
    margin: auto;
    margin-bottom: 50px;
  }
}

@media only screen and (max-width: 520px){
  form div h2 {
    font-size: 1rem;
    top: -10px;
  }

  .grid-parent {
    grid-template-columns: 1fr;
  }
}