.resultado-calculadora h2 {
  color: #fff;
  font-weight: 900;
}
.container-selecao {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.container-selecao-content {
  display: flex;
  gap: 20px;
  width: 100%;
}
.container-selecao-content div {
  flex: 1;
}
.container-selecao-content div select {
  background: #20202c;
  color: #fff;
}
.container-selecao-content div select:focus {
  border: 1px solid #ff4d00;
}
.container-selecao #botao-comprar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  padding: 10px;
}

.btn-download-calculadora {
  border: 1px solid;
  padding: 5px 20px;
  border-radius: 20px;
  margin-top: 10px;
  display: inline-block;
  margin: 0;
}

.btn-download-calculadora:active {
  transform: translateY(2px);
}

@keyframes pulsar {
  0% {
    transform: scale(1) skew(-10deg);
  }
  50% {
    transform: scale(1.03) skew(-10deg);
  }
  100% {
    transform: scale(1) skew(-10deg);
  }
}

.container-selecao button {
  animation: pulsar 1.5s infinite;
}

@media screen and (max-width: 500px) {
  .container-selecao .container-selecao-content {
    flex-direction: column;
  }
}