body {
  font-family: sans-serif;
  background: #f6f6f6;
  margin: 20px;
}
h1 {
  color: #2c3e50;
}
#control {
  margin-bottom: 20px;
}
#anchorInput {
  width: 100%;
  max-width: 600px;
  font-size: 16px;
  padding: 8px;
}
button {
  margin-top: 10px;
  padding: 8px 16px;
  font-size: 16px;
}
.model-result {
  border: 1px solid #ccc;
  padding: 10px;
  margin-bottom: 10px;
  background: #fff;
}
.model-result h3 {
  margin: 0 0 5px;
}