body {
  font-family: Arial, sans-serif;
  margin: 20px;
}
h1 { margin-bottom: 10px; }
.form-container {
  display: none;
  border: 1px solid #ccc;
  padding: 15px;
  margin-top: 10px;
}
.form-container input, 
.form-container select, 
.form-container textarea {
  width: 100%;
  padding: 5px;
  margin: 5px 0 10px;
  box-sizing: border-box;
}
button {
  margin: 5px;
  padding: 8px 15px;
  cursor: pointer;
}