Confused UI Labeled input

[TettriS]

Labeled input doesn't hiding left line on focus then has the "error" class
or mey bee the Focus expected been upper when border?

<div class="ui labeled input error">
  <div class="[ui label](https://semantic-ui.com/elements/label.html)">
    http://
  </div>
  <input type="text" placeholder="mysite.com">
</div>

[TettriS]

Also duplicate at repo with LESS.
Semantic-Org/Semantic-UI-LESS#78