<div class="page-header">
  <em>Input Groups</em>
</div>

<div class="col-sm-10 col-sm-offset-2">

  <div class="input-group form-group">
    <span class="input-group-addon">@</span>
    <input type="text" placeholder="Username" class="form-control"/>
  </div>

  <div class="input-group form-group">
    <input type="text" class="form-control"/>
    <span class="input-group-addon">.00</span>
  </div>

  <div class="input-group form-group">
    <span class="input-group-addon">$</span>
    <input type="text" class="form-control">
    <span class="input-group-addon">.00</span>
  </div>

  <div class="input-group form-group">
    <span class="input-group-addon">
      <input type="checkbox">
    </span>
    <input type="text" class="form-control">
  </div>

  <div class="input-group form-group">
    <span class="input-group-addon">
      <input type="radio">
    </span>
    <input type="text" class="form-control">
  </div>

</div>