Disable auto-zoom in input elements - For Safari, iPhone

index.html

<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0, shrink-to-fit=no" />

main.css

/* @see 
 * https://stackoverflow.com/a/16255670/2247494
 */
@supports (-webkit-overflow-scrolling: touch) {
  select,
  textarea,
  input {
    font-size: 16px;
  }
}