body,
html {
  height: 100%;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Roboto", sans-serif;
  background-color: #f5f5f5;
}
.container {
  text-align: center;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}
h1 {
  font-size: 48px;
  font-weight: 700;
  color: #e53935;
  margin-bottom: 20px;
}
p {
  font-size: 18px;
  color: #333;
  margin-bottom: 30px;
}
.btn-large {
  background-color: #2196f3;
  color: white;
  margin: 10px 0;
  transition: background-color 0.3s;
}
.btn-large:hover {
  background-color: #1976d2;
}
.page-list {
  margin: 20px 0;
}
.page-list a {
  display: block;
  margin: 10px 0;
  color: #00796b;
  font-size: 16px;
  text-decoration: none;
  transition: color 0.3s;
}
.page-list a:hover {
  color: #004d40;
}