HTML input textbox with a width of 100% overflows

2019-03-07 14:47发布

Does anyone know why the input elements with a width of 100% go over the table's cells border.

In the simple example below input box go over the table's cells border, the result is horrible. This was tested and it happens in the same way on: Firefox, IE7 and Safari.

Does it make sense for you? Am I missing something, do you know about a possible solution?

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">    
<html><head>    
   <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> <!-- don't use closing slash in meta tag, it breaks HTML4.01 transitional -->
   <title>Test input text in table</title>
   <style type="text/css">      
      table {border-top: 1px solid #ff0000; border-left: 1px solid #ff0000;}
      table td {border-right: 1px solid #00ff00; border-bottom: 1px solid #00ff00;}
      input[type="text"] {width: 100%;} /* removing this would make input not to go over cells border, but they would be too short, I want them to fit cells size */
   </style>    
</head><body>

<table cellpadding="0" cellspacing="0">
   <tr>
      <td><p>column one hello babe babe babe</p></td>
      <td><p>column two hello babe more</p></td>
      <td><p>column three hello babe more and more</p></td>
   </tr>
   <tr>
      <td><input type="text" value="test"></td>
      <td><input type="text" value="test"></td>
      <td><input type="text" value="test"></td>
   </tr>
</table>

</body></html>

14条回答
时光不老,我们不散
2楼-- · 2019-03-07 15:48

instead of this margin struggle just do

input{
    width:100%;
    background:transparent !important;
}

this way the cell border is visible and you can control row background color

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欢心
3楼-- · 2019-03-07 15:54

I usually set the width of my inputs to 99% to fix this:

input {
    width: 99%;
}

You can also remove the default styles, but that will make it less obvious that it is a text box. However, I will show the code for that anyway:

input {
    width: 100%;
    border-width: 0;
    margin: 0;
    padding: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

Ad@m

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