проблема [23/23]

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Испытание: итоговая таблица</title>
    </head>
    <body>
        <h1>Итоговая таблица</h1>
        <table ">
<tr class="c">
       <th class="nu">Город</th>   
       <th class="pu">Посещений</th>
        <th class="ru">%</th>
        </tr>
       
      <tr> 
       <td>СПб</td>      
       <td class="center">199</td> 
       <td class="right">65.12</td>
        </tr>
        
        <tr class="d">
        <td >Москва</td> 
       <td class="center">69</td>   
       <td class="right">21.3</td>
        </tr>
            
     <tr>
       <td>Киев </td>
      <td class="center">5</td>    
       <td class="right">8</td>
        </tr>
        
        <tr class="d">
       <td colspan="2">Посещений за весь период </td> 
       <td class="right">273<td>
        </tr>
        </table>

    </body>
</html>

body {
    width: 350px;
    margin: 0;
    padding: 0 10px;
    font-size: 14px;
    font-family: Arial, sans-serif;
}

table{
border-collapse: collapse;
 width:auto;
 height:auto;

}

td{
    
    padding:10px;
    width:33%;
    border-bottom:2px solid lightgray;
}

th{
    padding:10px;
    width:33%;
    border:1px solid;
    }

.nu{
    color:white;
    background-color:darkcyan;
    }
    
.ru{
    color:white;
    background-color:darkcyan;
    text-align:right;
    }
    
    .pu{
    color:white;
    background-color:lightblue;
    }
    
    .c{
    border:2px solid black; 
    border-collapse: collapse;
        }
        
.center{
    text-align:center;
    }
    
   .right{
    text-align:right;
    }
    
    .d{
        background-color:lightyellow;
        }
    <img src="/uploads/default/original/2X/d/dba9b77be50004a369beb376d4b5e1074d5cc86a.PNG" width="422" height="274">

</></>