为什么遮罩层会覆盖吊我弹出框 我无法选择
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#nav{
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.navbar-logo{
background:no-repeat url(img/logo.jpg) center center;
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width:96px;
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.shop{
line-height:50px;
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color:#999;
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color:#333;
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color:#333;
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background:#CCC;
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height:360px;
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margin-top:80px;
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<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
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<a class="navbar-logo" href="#"></a>
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<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li><a href="#">我要开店</a></li>
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<li>
<button class="btn btn-primary" type="button">点击我</button>
<div class="modal fade" id="mymodal">
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<div class="modal-header">
<button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">×</span><span class="sr-only">Close</span></button>
<h4 class="modal-title">模态弹出窗标题</h4>
</div>
<div class="modal-body">
<p>模态弹出窗主体内容</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary">保存</button>
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<input type="text" class="form-control" placeholder="搜索商品">
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<li class="user"> 账号 <span class="glyphicon glyphicon-user"></li>
<li class="shop">购物车 <span class="glyphicon glyphicon-shopping-cart"></span></li>
</ul>
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</div><!-- /.container-fluid -->
</div><!-- /.container -->
</nav>
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<div class="link">
<div class="container">
<ol class="breadcrumb">
<li><a href="#">我的亚马逊</a></li>
<li><a href="#">Z秒杀</a></li>
<li><a href="#">礼品卡</a></li>
<li><a href="#">海外购</a></li>
<li><a href="#">帮助</a></li>
<li><a href="#">IN ENGLISH</a></li>
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<li data-target="#myCarousel" data-slide-to="2">
<div id="myCarousel2" class="carousel slide">
<!-- 轮播（Carousel）指标 -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<!-- 轮播（Carousel）项目 -->
<div class="carousel-inner">
<div class="item active"> <img src="../淘宝banner/bannertop.jpg" alt="First slide"> </div>
<div class="item"> <img src="../淘宝banner/banner.jpg" alt="Second slide"> </div>
<div class="item"> <img src="../淘宝banner/清凉一夏.jpg" alt="Third slide"> </div>
</div>
<!-- 轮播（Carousel）导航 -->
<a class="carousel-control left" href="#myCarousel" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left"></span></a> <a class="carousel-control right" href="#myCarousel" data-slide="next"> <span class="glyphicon glyphicon-chevron-right"></span></a> </div>
</li>
</ol>
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<div class="carousel-inner">
<div class="item active">
<img src="../淘宝banner/bannertop.jpg" alt="First slide">
</div>
<div class="item">
<img src="../淘宝banner/banner.jpg" alt="Second slide">
</div>
<div class="item">
<img src="../淘宝banner/清凉一夏.jpg" alt="Third slide">
</div>
</div>
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<a class="carousel-control left" href="#myCarousel" data-slide="prev">
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