body {
  margin: 0;
  padding: 0;
  font-family: Verdana;
  background-color: #242424;
  text-align: center;
  color: #ffffff;
}

header {
  width: 100%; 
  font-size: 35px;
  background-color: #242424;
  color: #f54900;
  padding: 20px;
  border-bottom: 2px solid #888888; 
}

h2, p, h3, label {
  text-align: center;
  color: #ffffff;
  max-width: 800px;
  margin: 20px auto;
  padding: 0 15px;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
}

.input-item {
  display: flex;
  flex-direction: column;
}

input[type="number"] {
  width: 100%;
  font-family: Verdana;
}

button {
  padding: 20px 30px;
  font-family: Verdana;
  font-size: 20px;
  color: #ffffff;
  background-color: #f54900;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #d14000;
}

.sobre-btn button {
  padding: 10px 15px;
  font-size: 18px;
}