黑马旅游网，轮播图问题怎么解决呢？求指导

黑马旅游网，轮播图问题怎么解决呢？求指导

img

<!DOCTYPE html>
<html lang="zh-CN">
<head>
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</head>
<body>
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
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    <div class="carousel-inner" role="listbox">
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        <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
        <span class="sr-only">Next</span>
    </a>
</div>



</body>
</html>

给img一个100%宽度

img{width:100%}

是图片问题还是轮播图问题。？