CSS列底部的额外空间

时间：2012-12-13 01:59:27

标签： css multiple-columns column-count

我有一个内部有图像的容器。我使用CSS列和媒体查询来确定我的布局。我在底部放了一个段落标签，注意到底部有额外的空间。这就是我在这个小提琴里所说的话。 http://jsfiddle.net/sEe7x/11/。奇怪的是在黄色和橙色的断点处发生。有谁知道造成这种情况的原因是什么？

这是我的代码

-- HTML --

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width" />

    <title>Portraits</title>
    <meta name="description" content="">

    <link href='http://fonts.googleapis.com/css?family=Raleway:200' rel='stylesheet' type='text/css'>


</head>
<body class="photography">
    <nav class="site_navigation cf">
    <ul id="nav_drop" class="nav_links cf">
        <li class="nav_home"><a href="#">Home</a></li>
        <li class="nav_blog"><a href="#">Blog</a></li>
        <li class="nav_photography"><a href="#">Photography</a></li>
        <li class="nav_projects"><a href="#">Projects</a></li>
        <li class="nav_contact"><a href="#">Contact</a></li>
    </ul>
</nav>
        <div class="main photography_wrapper">        



            <h1>Portraits</h2>

            <div class="gallery_wrapper">
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a>                
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
            </div>

            <p>Random collection of portraits.</p>



            <div class="more_galleries">
                <h2>More Galleries</h2>
                <div class="more_gallery_photos">
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a> 
                    <a href="#"><img src="http://placedog.com/400/400" alt=""></a>                </div>
            </div>
        </div>

        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
    <script src="http://dev.danielcgold.com/js/selectnav.min.js"></script>
    <script src="http://dev.danielcgold.com/js/functions.js"></script>

</body>
</html>​


-- CSS --

* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}

.cf:before,.cf:after {
    content: "";
    display: table;
}

.cf:after {
    clear: both;
}

.cf {
    *zoom: 1;
}

img {
    max-width: 100%;
}

body {
    font-family: Arial, sans-serif;
    font-size: 100%;
    background: #fffff6;
    margin: 0;
    padding: 2em;
    padding-top: 6.375em;
    color: #252525;
}

h1,h2,h3,h4,h5,h6 {
    font-family: serif;
    font-weight: normal;
    margin-bottom: 1em;
}

h1 {
    font-size: 3em;
}

p {
    line-height: 1.5em;
    word-wrap: break-word;
}

strong {
    font-family: 'pt_sans_captionbold', sans-serif;
    font-weight: normal;
}

a {
    color: #ff830a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.selectnav {
    display: none;
}

.site_navigation {
    font-family: 'Raleway', sans-serif;
    font-weight: 200;
    background: #fff;
    padding: 1em;
    border-bottom: 0.063em solid rgba(0,0,0,0.15);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4.375em;
    -moz-box-shadow: rgba(0,0,0,0.15) 0 0 0.4em;
    -webkit-box-shadow: rgba(0,0,0,0.15) 0 0 0.4em;
    -o-box-shadow: rgba(0,0,0,0.15) 0 0 0.4em;
    box-shadow: rgba(0,0,0,0.15) 0 0 0.4em;
}

.site_navigation a {
    text-decoration: none;
    color: #444;
    display: block;
    margin: .5em;
    padding-bottom: .25em;
}

.nav_links {
    list-style: none;
    margin: 0;
    padding: 0;
    float: right;
}

.nav_links li {
    float: left;
}

.gallery_wrapper {
    -moz-column-count: 5;
    -webkit-column-count: 5;
    -o-column-count: 5;
    column-count: 5;
    line-height: 0;
}

.more_galleries {
    margin-top: 6em;
}

.more_gallery_photos {
    -moz-column-count: 5;
    -webkit-column-count: 5;
    -o-column-count: 5;
    column-count: 5;
}

.more_gallery_photos a {
    display: block;
    margin-bottom: 1em;
}

.gallery_wrapper a {
    display: block;
    margin-bottom: 1em;
}

.gallery_wrapper img {
    display: block;
    height: auto;
}


@media screen and (max-width: 60em) {

    .gallery_wrapper {
        -moz-column-count: 4;
        -webkit-column-count: 4;
        -o-column-count: 4;
        column-count: 4;
    }

    .more_gallery_photos {
        -moz-column-count: 4;
        -webkit-column-count: 4;
        -o-column-count: 4;
        column-count: 4;
    }

    .gallery_wrapper a {
        margin-bottom: 1em;
    }

    .more_gallery_photos a {
        display: block;
        margin-bottom: 1em;
    }
}

@media screen and (max-width: 48em) {

    .nav_links {
        float: left;
    }

    .gallery_wrapper {
        -moz-column-count: 3;
        -webkit-column-count: 3;
        -o-column-count: 3;
        column-count: 3;
    }

    .more_gallery_photos {
        -moz-column-count: 3;
        -webkit-column-count: 3;
        -o-column-count: 3;
        column-count: 3;
    }

    .gallery_wrapper a {
        margin-bottom: 1em;
    }

    .more_gallery_photos a {
        display: block;
        margin-bottom: 1em;
    }
}

@media screen and (max-width: 30em) {
    .site_navigation {
        height: 3.5em;
    }

    .nav_links {
        display: none;
    }

    .selectnav {
        display: block;
        margin-left: 1.5em;
    }

    .gallery_wrapper {
        -moz-column-count: 1;
        -webkit-column-count: 1;
        -o-column-count: 1;
        column-count: 1;
    }

    .more_gallery_photos {
        -moz-column-count: 2;
        -webkit-column-count: 2;
        -o-column-count: 2;
        column-count: 2;
    }

    .more_gallery_photos a {
        display: block;
        margin-bottom: 1em;
    }
}​
​
编辑：第一个小提琴解决了。我更新了一个JS小提琴，我的真实代码被剥离并重新创建了问题。我使用SASS，因此CSS是输出。

3 个答案:

答案 0 :(得分：8)

这是因为图片<img />标记呈现为inline-block。

img {display: block;}

小提琴：http://jsfiddle.net/nUGfe/

答案 1 :(得分：3)

为图片添加display: block将解决此问题。

img { display: block; }

<强>更新 这是一个更新的小提琴：http://jsfiddle.net/sEe7x/2/

答案 2 :(得分：0)

这对我有帮助

将其添加到列数块：

:after {
      content: '';
      display: block;
      width: 100%;
      height: 20px;
      margin-top: -20px;
    }
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