.block-solea-itineraire-block form {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
}

.block-solea-itineraire-block form>div {
  width: 100%;
}

.block-solea-itineraire-block .twitter-typeahead {
  display: block;
  width: 90%;
}

input.checkvalidation:invalid {
  border: 1px solid red;
  background-color: #fff5f5;
}

input.checkvalidation:valid {
  border: 1px solid #198754;
}