.u-section-1 {
  background-image: url("images/background-bois-sans-fleche1.jpg");
  background-position: 50% 50%;
}

.u-section-1 .u-sheet-1 {
  min-height: 458px;
}

.u-section-1 .u-form-1 {
  width: 570px;
  background-image: none;
  margin: 39px auto;
}

.u-section-1 .u-form-group-1 {
  width: 100%;
}

.u-section-1 .u-label-1 {
  font-weight: 700;
}

.u-section-1 .u-form-group-2 {
  width: 100%;
}

.u-section-1 .u-label-2 {
  font-weight: 700;
}

.u-section-1 .u-form-group-3 {
  width: 100%;
}

.u-section-1 .u-label-3 {
  font-weight: 700;
}

.u-section-1 .u-form-group-4 {
  width: 100%;
}

@media (max-width: 767px) {
  .u-section-1 .u-form-1 {
    width: 540px;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-form-1 {
    width: 340px;
  }
}