.toilet-calculator * {
  font-size: 2rem;
  font-family: sans-serif;
  box-sizing: border-box;
}

.toilet-calculator input[type="number"],
.toilet-calculator input[type="text"] {
  width: 100%;
  padding: 10px;
  font-size: 2rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 5px;
}

.toilet-calculator label {
  display: block;
  margin-top: 20px;
}

.toilet-calculator .note {
  font-size: 1.4rem;
  font-style: italic;
  color: #555;
  margin-bottom: 15px;
}

.toilet-calculator .btn {
  padding: 10px 20px;
  font-size: 2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-right: 10px;
}

.toilet-calculator .btn-calculate {
  background-color: #28a745;
  color: white;
}

.toilet-calculator .btn-reset {
  background-color: #dc3545;
  color: white;
}

.toilet-calculator .output {
  margin-top: 30px;
  font-weight: bold;
}