html - :before 和 :after 不显示网站何时被推送
问题描述
我正在尝试使用 :before 和 :after 元素来为我的页面增添趣味,但是当我推送它时,实时站点没有它们。在我的本地计算机上, :before 和 :after 都正确显示。我的实时网站在这里:https ://findingfutures.eu
我正在使用 Netlify 和 Github 来推送我的网站。我尝试将代码添加到 codepen,并且元素在那里正确显示:https ://codepen.io/Barsnes/pen/pKBzrK
这是我的代码,删除了很多内容以使其更简单,
.products_design:before {
content: " ";
display: block;
width: 70%;
height: .3em;
position: absolute;
background: #FFF;
top: -16.5em;
margin-left: 15%;
box-shadow: 0 0 20px #00000040;
}
.products_design:after {
content: " ";
display: block;
width: 70%;
height: .3em;
position: absolute;
background: #FFF;
bottom: -10.5em;
margin-left: 15%;
box-shadow: 0 0 20px #00000040;
}
.products_design {
position: relative;
height: auto;
width: 80vw;
margin: 25em 10vw 10em 10vw;
display: inline-block;
box-shadow: 0 0 30px #00000030;
background: linear-gradient(to top right, #23232320, #23232305);
}
.products_design h1 {
display: block;
position: absolute;
top: -2em;
line-height: .8em;
text-transform: uppercase;
text-shadow: 0 0 10px #00000060;
}
.products_design span {
display: block;
}
.products_design img {
width: 100%;
height: auto;
padding: 0;
margin: 0;
}
.project_1,
.project_2,
.project_3,
.project_4,
.project_5,
.project_6 {
width: 33.33%;
float: left;
padding: 0;
margin: 0;
position: relative;
display: block;
}
.products_design h2 {
font-size: 1.8em;
padding: .4em .4em 0 .2em;
}
.products_design p {
padding: .4em .4em 2em .4em;
font-size: 1em;
margin-bottom: 3em;
}
.products_design a {
display: block;
color: orange;
margin: auto;
position: relative;
text-decoration: none;
}
.products_design a:hover {
text-shadow: 0 0 10px #000;
color: #FFFFFF
}
<div class="products_design">
<div class="products">
<div class="products_title">
<h1>our past<span>projects</span></h1>
</div>
</div>
<div class="project_1">
<img src="images/projects/project__tobias_barsnes_website.png" />
<h2>Portfolio Website</h2>
<p>Lorem<a href="https://www.barsnes.tk">Click to view project</a></p>
</div>
<div class="project_2">
<img src="images/projects/project__portrait_photography.png">
<h2>Portrait Photography</h2>
<p>Lorem<a href="projects/portraits">Click to view project</a></p>
</div>
<div class="project_3">
<img src="https://source.unsplash.com/1920x1080/?photoshop">
<h2>Design</h2>
<p>Lorem<a href="https://www.barsnes.tk">Click to view project</a></p>
</div>
</div>
解决方案
伪元素不适用于@import,因此可能会导致浏览器出现问题。
如果您使用@import 将所有 ::before 和 ::after 移动到主 css,它应该可以正常工作。
正确的示例代码
@import url("_styles/header.css");
@import url("_styles/body.css");
.products_design::before {
content: " ";
display: block;
width: 70%;
height: 5px;
position: absolute;
background: #FFF;
top: -16.5em;
margin-left: 15%;
box-shadow: 0 0 20px #00000040;
}
.products_design::after {
content: " ";
display: block;
width: 70%;
height: 5px;
position: absolute;
background: #FFF;
bottom: -10.5em;
margin-left: 15%;
box-shadow: 0 0 20px #00000040;
}
.about_images::before {
content:" ";
display: block;
width: 50%;
margin-left: 25%;
height: 5px;
background: #FFF;
position: absolute;
top: -13em;
box-shadow: 0 0 20px #00000040
}
错误的示例代码
@import url("_styles/media_query.css");
@import url("_styles/cookie.css");
@import url("_styles/pseudeo_elements.css");
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