Форми

<div class="form-group">

  <label for="usr">Name:</label>

  <input type="text" class="form-control" id="usr">

</div>

<div class="form-group">

  <label for="pwd">Password:</label>

  <input type="password" class="form-control" id="pwd">

</div>

<form>

  <div class="input-group">

    <span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>

    <input id="email" type="text" class="form-control" name="email" placeholder="Email">

  </div>

  <div class="input-group">

    <span class="input-group-addon"><i class="glyphicon glyphicon-lock"></i></span>

    <input id="password" type="password" class="form-control" name="password"placeholder="Password">

  </div>

  <div class="input-group">

    <span class="input-group-addon">Text</span>

    <input id="msg" type="text" class="form-control" name="msg" placeholder="Additional Info">

  </div>

</form>

<form>

  <div class="input-group">

    <input type="text" class="form-control" placeholder="Search">

    <div class="input-group-btn">

      <button class="btn btn-default" type="submit">

        <i class="glyphicon glyphicon-search"></i>

      </button>

    </div>

  </div>

</form>

<div class="form-group row">

  <div class="col-xs-2">

    <label for="ex1">col-xs-2</label>

    <input class="form-control" id="ex1" type="text">

  </div>

  <div class="col-xs-3">

    <label for="ex2">col-xs-3</label>

    <input class="form-control" id="ex2" type="text">

  </div>

  <div class="col-xs-4">

    <label for="ex3">col-xs-4</label>

    <input class="form-control" id="ex3" type="text">

  </div>

</div>