body {
  font-family: sans-serif;
  margin: 20px;
}

h1 {
  color: #333;
}

form {
  width: 300px;
  margin: 0 auto;
}

label {
  display: block;
  margin-bottom: 5px;
}

input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

input[type="submit"] {
  background-color: #4CAF50;
  color: white;
  padding: 10px 15px;
  border: none;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

th {
  background-color: #f2f2f2;
}