@media (min-width: 300px) {
  .devices {
    display: none;
  }
}

@media (min-width: 450px) {
  .devices {
    display: initial;
  }
}

.btn:hover {
  background-color: #000!important;
  color: #fff!important;
}

@media (min-width: 768px) {
  .preco-1 {
    margin-right: 21px!important;
    margin-left: 21px!important;
  }
}