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I'm trying to put together a simple 3 row layout in CSS. It needs:

  • A main container div (100% width, 100% height) which holds...
    • A sticky header (fixed height of 48px)
    • A middle section that fills all remaining space in-between the header and footer
    • A sticky footer (initial height of 62px, but can change after page-load via javascript)

Here's what I've got so far:

HTML

<body>
    <div id="container">
        <div id="headContainer">
            ...
        </div>
        <div id="bodyContainer">
            Stuff goes here
        </div>
        <div id="footContainer">
            ...
        </div>
    </div>
 </body>

CSS

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
    display: block;
}
body {
    line-height: 1;
}
ol, ul {
    list-style: none;
}
blockquote, q {
    quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}

body {
    background-color:#2c3e50;
}

div#container {
    height:100%;
    width:100%;
}

div#headContainer {
    background-color:#e74c3c;
    height:48px;
    width:100%;
    z-index:1;
}

div#bodyContainer {
    overflow:auto;
    width:100%;
    top:48px;
    position:absolute;
    background-color:#FFFFFF;
}

div#footContainer {
    background-color:#c0392b;
    width:100%;
    position:absolute;
    bottom:0;
    padding:11px 18px;
    box-sizing:border-box;
    -moz-box-sizing:border-box; /* Firefox */
    -webkit-box-sizing:border-box; /* Safari */
}

http://jsfiddle.net/MsKaj/2/

I'm struggling to work out how I get the 'bodyContainer' to fill the available space between the header and footer. If the footer was a fixed size, this would be a lot easier!

Any tips?

See Question&Answers more detail:os

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1 Answer

All other solutions here are out of date and either resort to JavaScript, or don't support a variable height footer.

With the advent of the CSS flex model, solving the variable-height sticky footer problem becomes very, very easy: while mostly known for laying out content in the horizontal direction, Flexbox actually works just as well for vertical layout problems. All you have to do is wrap the vertical sections in a flex container and choose which ones you want to expand. They'll automatically take up all the available space in their container.

Note how simple the markup and the CSS are. No table hacks or anything.

The flex model is supported by all major browsers as well as allegedly IE11+, though my IE doesn't render this snippet correctly yet.

html, body {
  height: 100%;
}

#headContainer {
  background: yellow;
  height: 100px;  /* can be variable as well */
}

#wrapper {
  display: flex;  /* use the flex model */
  min-height: 100%;
  flex-direction: column;  /* learn more: http://philipwalton.github.io/solved-by-flexbox/demos/sticky-footer/ */
}

#bodyContainer {
  flex: 1;
  border: 1px solid orange;
}

#footContainer {
  background: lime;
}
<div id="wrapper">
  <div id="headContainer">Title</div>
  <div id="bodyContainer">Stuff goes here</div>
  <div id="footContainer">
    Footer<br/>
    of<br/>
    variable<br/>
    height<br/>
  </div>
</div>

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