#custom-image-editor input, #custom-image-editor button {
  width: 100%;
  max-width: 400px;
  margin: 10px auto;
  display: block;
  padding: 8px;
  font-size: 16px;
}

canvas {
  max-width: 100%;
  height: auto;
  margin-top: 20px;
}

#downloadBtn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #0073aa;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}