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将鼠标悬停在一个 div 上会淡入另一个 div 顶部,并带有不透明度,并且一些文本在 div 内完全居中。这在所有浏览器中都可以正常工作,除了 Firefox 似乎。
这是一个 jsfiddle 演示:http: //jsfiddle.net/neal_fletcher/WHCNF/

HTML:

<div class="grid-block identity" style="background-image: url('http://placekitten.com/380/250');">
    <div class="grid-block-text-hover-wrap">
    <div class="grid-block-text-wrap">
        <div class="grid-block-text-title">TITLE</div>
        <div class="grid-block-text-subtitle">SUBTITLE</div>
    </div>
    </div>
</div>


CSS:

.grid-block {
    position: absolute;
    width: 380px; height: 250px;
    margin-left: 25px; margin-right: 25px;
    margin-bottom: 50px;
    font-family: 'times';
    text-align: center;
    background: no-repeat 50% 50%;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    cursor: pointer;
    display: table; vertical-align: middle;
}

.grid-block-text-hover-wrap {
    position: absolute; 
    width: 100%; height: 100%; 
    background: rgba(0,0,0,0.75);
    display: table;
    vertical-align: middle;
}

.grid-block-text-hover-wrap .grid-block-text-wrap {
    color: white; 
}

.grid-block .grid-block-text-wrap {
    display: table-cell; vertical-align: middle;
    width: 100%; height: 100%;
}

.grid-block-text-wrap {
    margin-left: 50px; margin-right: 50px;
}

.grid-block-text-title {
    position: relative;
    margin-top: 7px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.grid-block-text-hover-wrap .grid-block-text-title {
    font-size: 16px;
    line-height: 25px;
    letter-spacing: 2px !important;
}

.grid-block-text-subtitle {
    position: relative;
    font-size: 12px;
    letter-spacing: 2px !important;
    text-transform: uppercase;
}

如您所见.grid-block-text-hover-wrap,悬停时淡入淡出,但由于某种原因,在 Firefox 中,此 div 无法正确显示,并且未按应有的方式将文本居中。我不明白为什么会发生这种情况。任何建议将不胜感激!

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2 回答 2

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更改您当前的课程

.grid-block-text-hover-wrap {
position: relative; 
width: 100%; height: 100%; 
background: rgba(0,0,0,0.75);
display: table;
vertical-align: middle; }

我希望它也适用于你的 Firefox。

于 2013-07-21T13:32:06.650 回答
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尝试替换height: 100%; width: 100%width: 380px; height: 250px. 看看新的小提琴:http: //jsfiddle.net/WHCNF/1/

于 2013-07-21T13:21:58.147 回答