body {
  background-color: #212121;
  background-image: url(./assets/pattern.svg);
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  opacity: 1;
  background-position-x: center;
}

.container-fluid, .row {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
}

.calcul {
  width: 100%;
  max-width: 400px; /* Largeur maximale du formulaire */
  display: contents;
}

.card {
  width: 100%;
}

.image-logo {
  margin-bottom: 25px;
  height: 50px;
  width: 100%;
}

.form-control[readonly] {
  background-color: #ff9c18;
  opacity: 1;
  color: white;
  border: 0;
}

.btn {
  background-color: black;
  border: none;
}

.btn:hover {
  background-color: #ff9c19;
  border: none;
}

.btn-primary {
  border-radius: 0;
}