body {
  background-image: url("background-image.jpg");
  background-size: cover;
  color: midnightblue;
  font-family: 'Nanum Gothic', sans-serif;
}

h1 {
  text-align: center;
}

.container {
  width: 50%;
  margin: auto;
  background-color: rgba(255, 255, 255, 0.8);
  padding: 20px;
  border-radius: 10px;
}

label {
  display: block;
  margin-bottom: 10px;
}

input[type="number"] {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: none;
  margin-bottom: 20px;
}

input[type="button"] {
  background-color: #008CBA;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
}

input[type="button"]:hover {
  background-color: #007B9F;
}