Make footer stick to bottom of page correctly [dup

2018-12-31 18:32发布

站内问答 / HTML/CSS
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This question already has an answer here:

I am trying to have my footer (just a div with a line of text in it) be at the bottom of the screen if the content doesn't go all the way to the bottom, or be at the bottom of the content if the content requires scroll bars. If the content doesn't require scroll bars, it works perfectly, but when the content is too long, the footer is still in the same spot, sitting right on top of the content.

My basic div structure is:

<div id="container">
    <div id="body"></div>
    <div id="footer"></div>
</div>

My corresponding CSS (stripped down somewhat):

body {
    margin: 0;
    padding: 0;
    height: 100%;
}

html {
    margin: 0;
    padding: 0;
    height: 100%;
}

#container {
    width: 674px;
    min-height: 100%;
    height: 100%;
    position: relative;
    margin: 0 auto;
}

#body {
    width: 616px;
    padding: 5px 14px 5px 14px;
    margin: 0 auto;
    padding-bottom: 20px;
}

#footer {
    position: absolute;
    bottom: 0;
    width: 644px;
    height: 20px;
    margin: 0 auto;
}

标签： html css
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10条回答
不流泪的眼
2楼-- · 2018-12-31 19:07

the easiest hack is to set a min-height to your page container at 400px assuming your footer come at the end. you dont even have to put css for the footer or just a width:100% assuming your footer is direct child of your <body>

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像晚风撩人
3楼-- · 2018-12-31 19:09

The simplest solution is to use min-height on the <html> tag and position the <footer> with position:absolute;

Demo: jsfiddle and SO snippet:

html {
    position: relative;
    min-height: 100%;
}

body {
    margin: 0 0 100px;
    /* bottom = footer height */
    padding: 25px;
}

footer {
    background-color: orange;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100px;
    width: 100%;
    overflow: hidden;
}
<article>
    <!-- or <div class="container">, etc. -->
    <h1>James Dean CSS Sticky Footer</h1>
    <p>Blah blah blah blah</p>
    <p>More blah blah blah</p>
</article>
<footer>
    <h1>Footer Content</h1>
</footer>

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裙下三千臣
4楼-- · 2018-12-31 19:09

I would like to share how I solved mine using Javascript function that is called on page load. This solution positions the footer at the bottom of the screen when the height of the page content is less than the height of the screen.

function fix_layout(){
  //increase content div length by uncommenting below line
  //expandContent();
  
    var wraph = document.getElementById('wrapper').offsetHeight;
    if(wraph<window.innerHeight){ //if content is less than screenheight
        var headh   = document.getElementById('header').offsetHeight;
        var conth   = document.getElementById('content').offsetHeight;
        var footh   = document.getElementById('footer').offsetHeight;
        //var foottop = window.innerHeight - (headh + conth + footh);
        var foottop = window.innerHeight - (footh);
        $("#footer").css({top:foottop+'px'});
    }
}

function expandContent(){
  $('#content').append('<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed at ante. Mauris eleifend, quam a vulputate dictum, massa quam dapibus leo, eget vulputate orci purus ut lorem. In fringilla mi in ligula. Pellentesque aliquam quam vel dolor. Nunc adipiscing. Sed quam odio, tempus ac, aliquam molestie, varius ac, tellus. Vestibulum ut nulla aliquam risus rutrum interdum. Pellentesque lorem. Curabitur sit amet erat quis risus feugiat viverra. Pellentesque augue justo, sagittis et, lacinia at, venenatis non, arcu. Nunc nec libero. In cursus dictum risus. Etiam tristique nisl a nulla. Ut a orci. Curabitur dolor nunc, egestas at, accumsan at, malesuada nec, magna.</p>'+

'<p>Nulla facilisi. Nunc volutpat. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Ut sit amet orci vel mauris blandit vehicula. Nullam quis enim. Integer dignissim viverra velit. Curabitur in odio. In hac habitasse platea dictumst. Ut consequat, tellus eu volutpat varius, justo orci elementum dolor, sed imperdiet nulla tellus ut diam. Vestibulum ipsum ante, malesuada quis, tempus ac, placerat sit amet, elit.</p>'+

'<p>Sed eget turpis a pede tempor malesuada. Vivamus quis mi at leo pulvinar hendrerit. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Pellentesque aliquet lacus vitae pede. Nullam mollis dolor ac nisi. Phasellus sit amet urna. Praesent pellentesque sapien sed lacus. Donec lacinia odio in odio. In sit amet elit. Maecenas gravida interdum urna. Integer pretium, arcu vitae imperdiet facilisis, elit tellus tempor nisi, vel feugiat ante velit sit amet mauris. Vivamus arcu. Integer pharetra magna ac lacus. Aliquam vitae sapien in nibh vehicula auctor. Suspendisse leo mauris, pulvinar sed, tempor et, consequat ac, lacus. Proin velit. Nulla semper lobortis mauris. Duis urna erat, ornare et, imperdiet eu, suscipit sit amet, massa. Nulla nulla nisi, pellentesque at, egestas quis, fringilla eu, diam.</p>'+

'<p>Donec semper, sem nec tristique tempus, justo neque commodo nisl, ut gravida sem tellus suscipit nunc. Aliquam erat volutpat. Ut tincidunt pretium elit. Aliquam pulvinar. Nulla cursus. Suspendisse potenti. Etiam condimentum hendrerit felis. Duis iaculis aliquam enim. Donec dignissim augue vitae orci. Curabitur luctus felis a metus. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. In varius neque at enim. Suspendisse massa nulla, viverra in, bibendum vitae, tempor quis, lorem.</p>'+

'<p>Donec dapibus orci sit amet elit. Maecenas rutrum ultrices lectus. Aliquam suscipit, lacus a iaculis adipiscing, eros orci pellentesque nisl, non pharetra dolor urna nec dolor. Integer cursus dolor vel magna. Integer ultrices feugiat sem. Proin nec nibh. Duis eu dui quis nunc sagittis lobortis. Fusce pharetra, enim ut sodales luctus, lectus arcu rhoncus purus, in fringilla augue elit vel lacus. In hac habitasse platea dictumst. Aliquam erat volutpat. Fusce iaculis elit id tellus. Ut accumsan malesuada turpis. Suspendisse potenti. Vestibulum lacus augue, lobortis mattis, laoreet in, varius at, nisi. Nunc gravida. Phasellus faucibus. In hac habitasse platea dictumst. Integer tempor lacus eget lectus. Praesent fringilla augue fringilla dui.</p>');
}
/*sample CSS*/
body{ background: black; margin: 0; }
#header{ background: grey; }
#content{background: yellow; }
#footer{ background: red; position: absolute; }

#header, #content, #footer{ display: inline-block; width: 100vw; }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<body onload="fix_layout()">
        <div id="wrapper">
            <div id="header" class="navbar navbar-inverse navbar-fixed-top" role="navigation">
                [some header elements here]
            </div>
            <div id="content" class="container">
              [some content elements here]
              
              
            </div>
            <div id="footer" class="footer">
                [some footer elements here]
            </div>
        </div>
    </body>

Hope that helps.

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旧时光的记忆
5楼-- · 2018-12-31 19:16

Why not using: { position: fixed; bottom: 0 } ?

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初与友歌
6楼-- · 2018-12-31 19:17

do it using jQuery put inside code on the <head></head> tag

<script type="text/javascript">
$(document).ready(function() { 
    var docHeight = $(window).height();
    var footerHeight = $('#footer').height();
    var footerTop = $('#footer').position().top + footerHeight;  
    if (footerTop < docHeight) {
        $('#footer').css('margin-top', 10 + (docHeight - footerTop) + 'px');
    }
});
</script>
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只若初见
7楼-- · 2018-12-31 19:17

Use min-height as some pixel value, instead of %. Like: min-height:620px; height:auto;

and footer as:

.footer {
height:70px;
clear:both;
position:relative;
bottom:0;
width: 100%;
}
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