* {
  box-sizing: border-box;
}

html {
  font-family: Arial, Helvetica, sans-serif;
}

body {
  max-width: 600px;
  margin: 0 auto;
}

form div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

textarea,
.prompt-output {
  padding: 5px;
}

.prompt-output {
  min-height: 150px;
  border: 1px solid black;
  width: 100%;
  display: block;
}

.error {
  color: red;
}

button {
  margin-right: 10px;
}