main {
  padding: 40px 20px;
}

body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #f9f9f9;
  color: #333;
  overflow-y: scroll;
}

header {
  background: linear-gradient(to right, #005c99, #003366);
  color: white;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

header .btn-primary {
  padding: 12px 24px;
  background-color: #ffcc00;
  color: black;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  text-decoration: none;
}

header .btn-primary:hover {
  background-color: #e6b800;
}

.nav-links {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  color: white;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.2);
  transition: background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  background-color: rgba(255, 255, 255, 0.5);
}

button.btn-primary {
  background-color: #005c99;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button.btn-primary:hover {
  background-color: #003366;
}

button.btn-warning {
  background-color: #ffcc00;
  color: black;
  border: none;
  padding: 12px 24px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button.btn-warning:hover {
  background-color: #e6b800;
}

button.btn-remove {
  background-color: #ff4d4d;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button.btn-remove:hover {
  background-color: #cc0000;
}

footer {
  background-color: #005c99;
  color: white;
  text-align: center;
  padding: 10px 0;
  margin-top: 40px;
}