body {
  font-family: Arial, sans-serif;
}

h1 {
  text-align: center;
}

#logs {
  margin-bottom: 20px;
  padding: 10px;
  background-color: #f5f5f5;
}

#buttons {
  text-align: center;
  margin-top: 10px;
}

button {
  margin: 5px;
  padding: 8px 15px;
  font-size: 16px;
}