body {
  font-family: Arial, sans-serif;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f7f7f7;
  border-radius: 10px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #333;
}

.input-group {
  margin-bottom: 15px;
}

.input-group label {
  display: inline-block;
  min-width: 150px;
  font-weight: bold;
}

input[type="number"], textarea {
  padding: 5px;
  font-size: 14px;
  width: calc(50% - 10px);
  margin-right: 10px;
}

button {
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 16px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

textarea {
  width: 100%;
  margin-top: 15px;
  font-size: 14px;
}