body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: linear-gradient(to bottom right, #7ad3ff, #b7ffb7);
  color: #333;
  margin: 0;
  padding: 0;
  height: 100vh;
}

header {
  background-color: #0078d7;
  color: white;
  padding: 20px;
}

main {
  margin-top: 50px;
}

button {
  background-color: #0078d7;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background-color: #005fa3;
}

footer {
  position: absolute;
  bottom: 10px;
  width: 100%;
  font-size: 14px;
}