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如何使元素在其父元素的寬度內占據窗口的寬度?

[英]How can I make an element take up the width of the window inside of the width of its parent?

我只需要編輯此#block
最后,我需要全屏顯示表格,寬度為100%

如何使div#block超出2個父div行和容器?

<html>
<head><style>
.container{
    max-width: 80%;
}

.row{
    max-width: 90%;
}

#block{
    width: 100%; //I need to edit this block only - To show the table in full screen with width 100%
}
</style></head>
<body>

<center>
<div class="container">
    <div class="row">
        <div id="block">
            <table border="1" width="100%">
            <tr><td>Hello</td></tr>
            </table>
        </div>
    </div>
</div>
</center>

</body>
</html>

您可以將width增加到140%並使用margin-left: -20%對齊。

 .container { max-width: 80%; } .row { max-width: 90%; } #block { width: 140%; margin-left: -20%; } 
 <center> <div class="container"> <div class="row"> <div id="block"> <table border="1" width="100%"> <tr> <td>Hello</td> </tr> </table> </div> </div> </div> </center> 

您可以使用position: absolute

 .container { max-width: 80%; } .row { max-width: 90%; } #block { width: 100%; position: absolute; left: 0; } 
 <center> <div class="container"> <div class="row"> <div id="block"> <table border="1" width="100%"> <tr> <td>Hello</td> </tr> </table> </div> </div> </div> </center> 

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