body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  height: 100%;
  background: url('imagens/background.jpg') no-repeat center center fixed;
  background-size: cover;
}

.main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.registration-form {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

.registration-form form {
  display: flex;
  flex-direction: column;
  width: 300px;
}

.registration-form form label {
  margin-top: 10px;
}

.registration-form form input {
  margin-bottom: 10px;
  padding: 5px;
}

.registration-form form a {
  color: blue;
}

.custom-button {
  background-color: royalblue;
  color: #fff;
  padding: 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.footer {
  background-color: royalblue;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.column {
  flex-basis: 30%;
  margin: 10px 0;
}