JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
    <div class="input-group has-success">
      <label class="control-label" for="inputSuccess1">Input with success
        <span class="input-group-btn">
       <input type="text" class="form-control"/> 
       <button class="btn btn-default" id="style" type="button">Go!</button>
        </span>     </label>
    </div><!-- /input-group -->

CSS

#style{
    
    margin-left: -4px;
    border-bottom-right-radius: 5px;
    border-top-right-radius: 5px;
    border-left: none;
}