body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f0f4f8;
  color: #2c3e50;
}

header {
  background-color: #00bfa5;
  color: white;
  padding: 20px;
  text-align: center;
  border-bottom: 5px solid #00897b;
}

header h1 {
  margin: 0;
  font-size: 2.5em;
  letter-spacing: 2px;
}

header img {
  margin-top: 10px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

main {
  padding: 20px;
}

main h2 {
  text-align: center;
  color: #00897b;
  font-size: 2em;
  margin-bottom: 20px;
}

main img {
  display: block;
  margin: 0 auto 20px;
  border-radius: 10px;
}

.nav-buttons {
  text-align: center;
  margin-bottom: 30px;
}

.nav-buttons button {
  background-color: #00bfa5;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 5px;
  font-size: 1em;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.nav-buttons button:hover {
  background-color: #00897b;
}

section {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

section h3, section h4, section h5, section h6 {
  color: #00bfa5;
  margin-top: 20px;
}

ul {
  list-style-type: square;
  padding-left: 200px;
}

form {
  margin-top: 20px;
  text-align: center;
}

form label {
  font-weight: bold;
  color: #34495e;
}

form input, form select, form textarea {
  width: 200px;
  padding: 8px;
  margin-top: 5px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

form button {
  background-color: #ff7043;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 1em;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

form button:hover {
  background-color: #e64a19;
}

footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
  border-top: 5px solid #00bfa5;
  text-align: center;
}

footer p {
  margin: 5px 0;
}