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Make a div fill the height of the remaining screen space

1135

I am currently working on a web application, where I want the content to fill the height of the entire screen.

The page has a header, which contains a logo, and account information. This could be an arbitrary height. I want the content div to fill the rest of the page to the bottom.

I have a header div and a content div. At the moment I am using a table for the layout like so:

CSS and HTML

#page {
    height: 100%; width: 100%
}

#tdcontent {
    height: 100%;
}

#content {
    overflow: auto; /* or overflow: hidden; */
}
<table id="page">
    <tr>
        <td id="tdheader">
            <div id="header">...</div>
        </td>
    </tr>
    <tr>
        <td id="tdcontent">
            <div id="content">...</div>
        </td>
    </tr>
</table>

The entire height of the page is filled, and no scrolling is required.

For anything inside the content div, setting top: 0; will put it right underneath the header. Sometimes the content will be a real table, with it's height set to 100%. Putting header inside content will not allow this to work.

1Answer


0
html,
body {
  height: 100%;
  margin: 0
}

.box {
  display: flex;
  flex-flow: column;
  height: 100%;
}

.box .row {
  border: 1px dotted grey;
  flex: 0 1 30px;
}

.box .row.header {
  flex: 0 1 auto;
}

.box .row.content {
  flex: 1 1 auto;
}

.box .row.footer {
  flex: 0 1 40px;
}
<!-- Obviously, you could use HTML5 tags like `header`, `footer` and `section` -->

<div class="box">
  <div class="row header">
    <p><b>header</b>
      <br />
      <br />(sized to content)</p>
  </div>
  <div class="row content">
    <p>
      <b>content</b>
      (fills remaining space)
    </p>
  </div>
  <div class="row footer">
    <p><b>footer</b> (fixed height)</p>
  </div>
</div>
  • answered 2 years ago
  • Gul Hafiz

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