body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #333;
  color: #fff;
  padding: 10px 20px;
  text-align: center;
}

.logo {
  width: 150px;
}

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

main h1 {
  margin-bottom: 16px;
}

.button {
  background: #5cb85c;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 16px;
  border: 0;
}

.button:hover {
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 10px 0;
  background: #333;
  color: #fff;
}

body > footer {
  display: none;
}