body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  color: black;
  padding: 1rem;
  text-align: center;
  margin-bottom: 20px;
}

main {
  padding: 1rem;
}
form {
  max-width: 400px;
  margin: 0 auto;
}
div {
  margin-bottom: 1rem;
}
label {
  display: block;
  margin-bottom: 0.5rem;
}
input,
select {
  width: 100%;
  padding: 0.5rem;
  box-sizing: border-box;
}
button {
  padding: 0.5rem 1rem;
  background-color: #333;
  color: white;
  border: none;
  cursor: pointer;
  display: block;
  margin: 0 auto;
}

p {
  text-align: center;
}