body {
  background-image: url('fundo.png');
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0;
  padding: 0;
}

header {
  background-color: #4CAF50;
  padding: 20px;
  text-align: center;
}

header h1 {
  margin: 0;
  color: #ffffff;
}

main {
  padding: 20px;
}

section {
  text-align: center;
  margin-bottom: 40px;
}

h2 {
  font-size: 54px;
  margin-bottom: 20px;
}

.image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.img-medium {
  width: 650px;
  height: auto;
}

p {
  font-size: 35px;
  margin: 0;
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px;
}

.btn-voltar {
  background-color: #ffffff;
  color: #4CAF50;
  padding: 10px 20px;
  text-decoration: none;
  display: inline-block;
  border: 2px solid #000000;
  border-radius: 5px;
  font-weight: bold;
}

.btn-voltar:hover {
  background-color: #2ECC71;
  color: #ffffff;
}