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Question

I had the following page (deadlink: http://www.workingstorage.com/Sample.htm ) that has a footer that I can't make sit at the bottom of the page.

I want the footer to

  • stick to the window bottom when the page is short and the screen is not filled, and
  • stay at the document end and move down as normal when there is more than a screenful of content (instead of overlapping the content).

The CSS is inherited and befuddles me; I can't seem to change it properly to put a minimum height on the content or make the footer go to the bottom.

2018/07/27
1
393
7/27/2018 10:20:57 AM

Accepted Answer

A simple method is to make the body 100% of your page, with a min-height of 100% too. This works fine if the height of your footer does not change.

Give the footer a negative margin-top:

footer {
    clear: both;
    position: relative;
    height: 200px;
    margin-top: -200px;
}
2019/07/27
350
7/27/2019 2:47:49 AM

I've developed quite an easy method to stick the Footer at the bottom, but as most common methods, you will need to tweak it to fit your Footer's height.

VIEW DEMO


Flexbox method:

html, body{ height:100%; margin:0; }
header{ height:50px; background:lightcyan; }
footer{ height:50px; background:PapayaWhip; }

/* Trick */
body{ 
  display:flex; 
  flex-direction:column; 
}

footer{
  margin-top:auto; 
}
 
<body>
  <header>Header</header>
  <article>Content</article>
  <footer>Footer</footer>
</body>


This method below uses a "trick" by placing an ::after pseudo-element on the body, and set it to have the exact height of the footer, so it will occupy the exact same space the footer does, so when the footer is absolute positioned over it, it would appear like the footer is really taking up space and eliminate the negative affects of it's absolute positioning (for example, going over the body's content)

html{ height:100%; }
body{ min-height:100%; padding:0; margin:0; position:relative; }
header{ height:50px; background:lightcyan; }
footer{ background:PapayaWhip; }

/* Trick: */
body {
  position: relative;
}

body::after {
  content: '';
  display: block;
  height: 50px; /* Set same as footer's height */
}

footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 50px;
}
<body>
  <header>Header</header>
  <article>Content</article>
  <footer>Footer</footer>
</body>


Table-layout method:

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

header {
  height: 50px;
  background: lightcyan;
}

footer {
  height: 50px;
  background: PapayaWhip;
}


/**** Trick: ****/
body {
  display: table;
  width: 100%; 
}

footer {
   display: table-row;
}
<body>
  <header>Header</header>
  <article>Content</article>
  <footer>Footer</footer>
</body>

2019/08/26

A very simple approach which works great cross browser is this:

http://matthewjamestaylor.com/blog/keeping-footers-at-the-bottom-of-the-page

html,
body {
   margin:0;
   padding:0;
   height:100%;
}
#container {
   min-height:100%;
   position:relative;
}
#header {
   background:#ff0;
   padding:10px;
}
#body {
   padding:10px;
   padding-bottom:60px;   /* Height of the footer */
}
#footer {
   position:absolute;
   bottom:0;
   width:100%;
   height:60px;   /* Height of the footer */
   background:#6cf;
}
<div id="container">
   <div id="header">header</div>
   <div id="body">body</div>
   <div id="footer">footer</div>
</div>

2019/12/05

I've used this to stick my footer to the bottom and it worked for me:

HTML

<body>
    <div class="allButFooter">
        <!-- Your page's content goes here, including header, nav, aside, everything -->
    </div>
    <footer>
        <!-- Footer content -->
    </footer>
</body>

That's the only modification you have to do in the HTML, add that div with the "allButFooter" class. I did it with all the pages, those that were so short, I knew the footer wouldn't stick to the bottom, and also pages long enough that I already knew I had to scroll. I did this, so I could see that it works ok in the case that a page's content is dynamic.

CSS

.allButFooter {
    min-height: calc(100vh - 40px);
}

The "allButFooter" class has a min-height value that depends on the viewport's height (100vh means 100% of the viewport height) and the footer's height, that I already knew was 40px.

That's all I did, and it worked perfectly for me. I haven't tried it in every browser, just Firefox, Chrome and Edge, and the results were as I wanted. The footer sticks to the bottom, and you don't have to mess with z-index, position, or any other properties. The position of every element in my document was the default position, I didn't change it to absolute or fixed or anything.

Working with responsive design

Here's something I would like to clear out. This solution, with the same Footer that was 40px high didn't work as I expected when I was working in a responsive design using Twitter-Bootstrap. I had to modify the value I was substracting in the function:

.allButFooter {
    min-height: calc(100vh - 95px); 
}

This is probably because Twitter-Bootstrap comes with its own margins and paddings, so that's why I had to adjust that value.

I hope this is of some use for you guys! At least, it's a simple solution to try, and it doesn't involve making big changes to the whole document.

2017/08/23

From IE7 onwards you can simply use

#footer {
    position:fixed;
    bottom:0;
}

See caniuse for support.

2013/07/23

A very simple flex solution that does not assume fixed heights or changing position of elements.

HTML

<div class="container">
  <header></header>
  <main></main>
  <footer></footer>
</div>

CSS

.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

Browser Support

All major browsers, except IE11 and below.

Make sure to use Autoprefixer for appropriate prefixes.

.container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 100vh;
}

main {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
}

/////////////////////////////////////////////

body,
html {
    margin: 0;
    padding: 0;
}

header,
main,
footer {
  margin: 0;
  display: block;
}

header,
footer {
  min-height: 80px; 
}

header {
  background-color: #ccc;
}

main {
  background-color: #f4f4f4;
}

footer {
  background-color: orange;
}
<div class="container">
  <header></header>
  <main></main>
  <footer></footer>
</div>

2020/06/04

Source: https://stackoverflow.com/questions/643879
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