html - 您能否将不在该块内的块内的文本居中?CSS
问题描述
我最近开始学习使用 html 和 css 创建网站。对于我的网站,我想创建一个足够透明的文本块,可以看到后面的图像,但是我不希望它上面的文本也透明。据我所知,唯一可行的方法是让文本实际上不在框中,而是在其顶部。因此我在顶部添加了文本,但问题是,我无法真正将文本居中,因为没有任何东西可以对齐它。我能想到的唯一解决方案是,也许实际上还有另一种方法可以使文本不透明,而框仍然如此,或者在文本的一侧创建不可见的边框以使其对齐,但由于我是初学者,我真的不知道该怎么做。有办法吗?
* {
position: relative;
z-index: 0;
margin: 0;
padding: 0;
list-style: none;
text-decoration: none;
}
.central {
position: relative;
height: 1080px;
width: 100%;
z-index: 0;
}
.image {
position: absolute;
z-index: 0;
}
.slide {
position: absolute;
z-index: 0;
height: 100%;
width: 400px;
display: block;
top: 0px;
left: 0px;
opacity: 50%;
background-color: #6B3F3F;
}
.slidetext h3 {
top: 10px;
left: 0px;
right: 1520px;
position: absolute;
z-index: 1;
color: white;
padding-left: 200px;
padding-right: 800px;
}
<div class="main">
<div class="central">
<img class="image" src="https://via.placeholder.com/150" alt="Supposed background. Error.">
<div class="slide">
</div>
<div class="slidetext">
<h3>Title</h3>
</div>
</div>
</div>
解决方案
使用 rgba 代替不透明度;这样,文本仍然可以在它之上而不会受到影响。
background-color: rgba(107,63,63, 0.5)
这里我把标题放回.slide
div 里面来说明。
* {
position: relative;
z-index: 0;
margin: 0;
padding: 0;
list-style: none;
text-decoration: none;
}
.central {
position: relative;
height: 1080px;
width: 100%;
z-index: 0;
}
.image {
position: absolute;
z-index: 0;
}
.slide {
position: absolute;
z-index: 0;
height: 100%;
width: 400px;
display: block;
top: 0px;
left: 0px;
background-color: rgba(107, 63, 63, 0.5)
}
.slidetext h3 {
color: white;
text-align: center;
margin-top: 10px;
}
<div class="main">
<div class="central">
<img class="image" src="programming.png" alt="Supposed background. Error.">
<div class="slide">
<div class="slidetext">
<h3>Title</h3>
</div>
</div>
</div>
</div>
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