#grass-cutting-calculator {
  max-width: 500px;
  margin: auto;
  font-family: Arial, sans-serif;
  font-size: 2rem;
  padding: 20px;
  border: 2px solid #ddd;
  border-radius: 12px;
  background-color: #f9f9f9;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#grass-cutting-calculator h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 3.5rem;
  color: #333;
}

#grass-cutting-calculator label {
  display: block;
  margin-bottom: 15px;
  font-size: 2rem;
  color: #333;
}

#grass-cutting-calculator input[type="text"] {
  width: 100%;
  padding: 14px 24px;
  font-size: 2rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
  margin-top: 5px;
}

#grass-cutting-calculator button {
  padding: 12px 20px;
  font-size: 2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#grass-cutting-calculator #calculate {
  background-color: #28a745;
  color: white;
  margin-right: 10px;
}

#grass-cutting-calculator #reset {
  background-color: #dc3545;
  color: white;
}

#grass-cutting-calculator #output {
  margin-top: 30px;
  font-size: 2rem;
  line-height: 1.6;
  color: #222;
}

#grass-cutting-calculator strong {
  color: #000;
}