body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background: #f8f9fb;
  color: #222;
}

h1 {
  color: #2e8b57;
}

nav {
  margin-bottom: 20px;
}

nav a {
  margin: 0 10px;
  color: #444;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #2e8b57;
}

textarea {
  width: 80%;
  height: 120px;
  margin-top: 10px;
}

button {
  background: #2e8b57;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background: #256b44;
}

table {
  border-collapse: collapse;
  width: 80%;
  margin-top: 15px;
}

table, th, td {
  border: 1px solid #ccc;
}

th, td {
  padding: 8px;
  text-align: left;
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}