内容突然不显示了找了半天没找到原因

来源：4-3 编程练习

第二十五颗星星

2019-06-01 00:43:23

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>文本样式</title>
        <style type="text/css">
           /*写出CSS样式*/
           p{background-color:#eee;
            text-align:center;
            line-height:8em;           }
           .img{
               vertical-align:middle;
           }
           span{
               vertical-align:middle;
           }
           .one{font-size:3em;}
           .two{text-transform:capitalize;color:red;text-decoration:underline;
                vertical-align:text-bottom;}
    </head>
    <body>
        <p>
            <img src=" http://climg.mukewang.com/59c21bae000157fa01000059.jpg" class="img"/>
            <span class="one">CSS层叠样式表</span><span class="two">(cascading style sheets)</span>
        </p>
          
    </body>
</html>