CSS样式:在定位之前？额外空间
CSS样式:在定位之前？额外空间
提问于 2019-04-10 08:40:38
小提琴在这里：https://jsfiddle.net/sgbotsford/d52zyp0t/72/
问题就在这里。当我使用a:之前，带负的左键时，它是有效的--它就像我想要的那样坐在页边空白处。这种额外的缩进是从哪里来的？
所需的行为是使段落和列表项具有相同的样式，除了浮动在左边距之外的=>。
我确信我最终可以进行足够的实验来破解一个解决方案，但现在我正试图从盒子模型的角度来理解这种行为。
HTML
<html>
<head>
</head>
<body>
<div class=content>
<p>This is a paragraph. It has several sentences. It goes on and on and on and on. It has several sentences. It goes on and on and on and on. </p>
<ul class="c">
<li><p>This is a list element that is long enough to wrap, I think. But it needs to be longer to check justification. It looks a lot like a paragraph.</p></li>
<li><p>This is a list element that is long enough to wrap, I think. But it needs to be longer to check justification.</p></li>
</ul>
<ul class="b">
<li><p>This is a list element that is styled using ::before and outdenting the content. Where does the extra space come from? </p></li>
<li><p>This is a list element that is long enough to wrap, I think.</p></li>
</ul>
</div>
</body>
</html>CSS
body {
text-align: justify;
hyphens: auto;
margin-left: 3rem;
}
.content {
width: 40rem;
background-color: yellow;
}
p {
width: 15rem;
margin: auto;
margin-top: 0.6rem;
background-color: lightgreen;
padding: 0;
font-style: normal;
font-size: 1.25rem;
line-height: 1.4rem;
text-indent: 1rem;
text-align: justify;
hyphens: auto;
word-break: break-word;
}
ul {
list-style-type: none;
margin: 1rem;
padding: 0;
}
ul.b li p::before {
content: "=>";
font-weight: bold;
position: relative;
left: -2.5rem;
}回答 1
Stack Overflow用户
发布于 2019-04-10 14:46:51
您好，请检查一下，这对您真的很有帮助吗?我只需删除p标签text-indent并更改ul.b li p：：在左侧位置之前添加text-indent in ul.b li p元素
body {
text-align: justify;
hyphens: auto;
margin-left: 3rem;
}
.content {
width: 40rem;
background-color: yellow;
}
p {
width: 15rem;
margin: auto;
margin-top: 0.6rem;
background-color: lightgreen;
padding: 0;
font-style: normal;
font-size: 1.25rem;
line-height: 1.4rem;
text-align: justify;
hyphens: auto;
word-break: break-word;
padding: 5px;
}
ul {
list-style-type: none;
margin: 1rem;
padding: 0;
}
ul.b li p::before {
content: "=>";
font-weight: bold;
position: relative;
left: -10px;
}
ul.b li p {
text-indent: -22px;
}
.bluetable {
background-color: #9FF;
border: 2px solid black;
}
td {
margin: 14rem;
border: 1px dashed green;
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/55603153
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