i have linked copy code here please find the result
You need to move your .ui.labeled.input
into a div
with .fluid.field
<form class="ui form">
<div class="fluid field">
<div class="ui labeled input">
<div class="ui label">
Example
</div>
<input class="ui input " type="text" name="example" required>
</div>
</div>
</form>