body {
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #88c999, #6bb37a);
  color: white;
}

.pan {
  margin: 0;
  font-size: 2em;
}

.containerr {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tips {
  list-style: none;
  padding: 0;
}

.tips li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

.tips li:last-child {
  border-bottom: none;
}

.c-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  font-size: 1em;
  color: white;
  background-color: #6bb37a;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #5ca269;
}