登录框

<form class="form-horizontal">
  <fieldset>
    <legend>用户登录</legend>
    <div class="form-group">
      <label for="inputEmail" class="col-lg-2 control-label">用户名</label>
      <div class="col-lg-10">
        <input type="text" class="form-control" id="inputEmail" placeholder="Email">
      </div>
    </div>
    <div class="form-group">
      <label for="inputPassword" class="col-lg-2 control-label">密码</label>
      <div class="col-lg-10">
        <input type="password" class="form-control" id="inputPassword" placeholder="Password">
        
      </div>
    </div>
    
    
    
    <div class="form-group">
      <div class="col-lg-10 col-lg-offset-2">
        <button type="reset" class="btn btn-primary">登录</button>
        
      </div>
    </div>
  </fieldset>
</form>