body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}
header {
  background: #222;
  color: white;
  padding: 1rem;
  text-align: center;
}
header h1 a {
  color: white;
  text-decoration: none;
}
nav a {
  margin: 0 10px;
  color: #ddd;
  text-decoration: none;
}
main {
  display: flex;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}
.price-table {
  flex: 2;
}
.sidebar {
  flex: 1;
  background: #fff;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  height: fit-content;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid #ccc;
}
th, td {
  padding: 0.75rem;
  border: 1px solid #ccc;
  text-align: center;
}
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}