.font-preview-wrapper {
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px;
  border: 1px solid #ddd;
  background: #fafafa;
}

.font-input-text {
  width: 100%;
  max-width: 600px;
  padding: 12px;
  font-size: 16px;
  margin-bottom: 20px;
  display: block;
}

.font-size-slider {
  width: 100%;
  max-width: 600px;
  margin-bottom: 30px;
}

.font-preview-area {
  width: 100%;
  height: 400px;
  overflow: auto;
  background: #fff;
  margin-bottom: 40px;
  font-size: 48px;
  padding: 20px;
  border: 1px solid #ccc;
  white-space: pre-wrap;
}