.header__principal{
  border-bottom: 0.18rem solid #d8d8d8;
}

.main{
    margin-top: 2.6rem;
}

.hide {
    display: none !important;
}

@media (max-width: 720px) {
  .header__principal--menu {
    display: block !important;
    border: none;
  }
}