自定义 ol li 缩进答案

【问题标题】：Custom ol li indent自定义 ol li 缩进
【发布时间】：2018-10-17 04:47:48
【问题描述】：

我发现了一些与此问题相关的主题，但没有一个对我有帮助。

如何解决 li 的第二行像第一行一样尊重缩进的问题？

ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: my-awesome-counter;
  columns: 2;
  -webkit-columns: 2;
  -moz-columns: 2;
}

ol li {
  counter-increment: my-awesome-counter;
  margin: 1rem 0.25rem;
  line-height: normal;
}


ol li:before {
  display: inline-block;
  content: counter(my-awesome-counter);
  width: 40px;
  height: 40px;
  line-height: 24px;
  background: #000;
  border-radius: 25px;
  color: white;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 24px;
  font-weight: 700;
 }

我错过了什么？

【问题讨论】：

标签： html css

【解决方案1】：

尝试使用position:absolute; 作为伪元素并将padding-left 给<li>

查看更新的 sn-p：

ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: my-awesome-counter;
  /*columns: 2;
  -webkit-columns: 2;
  -moz-columns: 2;
  */
  width: 300px;
}

ol li {
  counter-increment: my-awesome-counter;
  margin: 1rem 0.25rem;
  line-height: normal;
  padding-left: 60px;
  position: relative;
}

ol li:before {
  display: inline-block;
  content: counter(my-awesome-counter);
  width: 44px;
  height: 40px;
  line-height: 24px;
  background: #000;
  border-radius: 25px;
  color: white;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 24px;
  font-weight: 700;
  position: absolute;
  left: 0;
}

<ol>
  <li> test test test testtest test test testtest test test testtest test test testtest test test testtest test test test</li>
  <li> test test test testtest test test testtest test test testtest test test testtest test test testtest test test test</li>
</ol>

【讨论】：

【解决方案2】：

尝试为伪元素提供负边距并为 li 提供一个 padding-left，如代码所示：

ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: my-awesome-counter;
  columns: 2;
  -webkit-columns: 2;
  -moz-columns: 2;
}

ol li {
  counter-increment: my-awesome-counter;
  margin: 1rem 0.25rem;
  line-height: normal;
  padding-left: 3rem;
}

ol li:before {
  display: inline-block;
  content: counter(my-awesome-counter);
  width: 40px;
  height: 40px;
  line-height: 24px;
  background: #000;
  border-radius: 25px;
  color: white;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 24px;
  font-weight: 700;
  margin-left: -3rem;
}

<ol>
  <li>abv asfbakjh dslsjdgljs lsgljgklj ljsdgll lslgklsdljlsdjgjksd lljljkj hghjgjhgjhgjhjg gjhghjsdf . dgdsg dfg fgsdfsg fg dsfgsf sdfg</li>
  <li>abv asfbakjh dslsjdgljs lsgljgklj ljsdgll lslgklsdljlsdjgjksd lljljkj hghjgjhgjhgjhjg gjhghjsdf . dgdsg dfg fgsdfsg fg dsfgsf sdfg</li>
  <li>abv asfbakjh dslsjdgljs lsgljgklj ljsdgll lslgklsdljlsdjgjksd lljljkj hghjgjhgjhgjhjg gjhghjsdf . dgdsg dfg fgsdfsg fg dsfgsf sdfg</li>

</ol>

【讨论】：

谢谢，我试图避免使用绝对位置并在之前尝试过这种方法，结果相同，li 弄乱了行高。与以下几行相比，第一行太大

【解决方案3】：

您缺少的是您在 pseudo 元素中添加了计数器，但您希望像 ol li 默认样式一样，尽管您通过添加 list-style: none; 重置了 ol 默认行为。要按预期工作，您应该遵循以下方式：

ol {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: my-awesome-counter;
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
}
ol li {
    counter-increment: my-awesome-counter;
    margin: 1rem 0.25rem;
    line-height: normal;
    position:relative;
    padding-left:45px;
    min-height:40px;
}
ol li:before {
    display: inline-block;
    content: counter(my-awesome-counter);
    width: 40px;
    height: 40px;
    line-height: 36px;
    background: #000;
    border-radius: 25px;
    color: white;
    text-align: center;
    margin-right: 0.5rem;
    font-size: 24px;
    font-weight: 700;
    position:absolute;
    left:0;
    top:0;
}

【讨论】：

谢谢，我试图避免绝对位置，但最后我认为没有其他办法......谢谢我会采用这种方法

【解决方案4】：

尝试将display: flex 分配给ol li。

像这样：

ol li {
  counter-increment: my-awesome-counter;
  margin: 1rem 0.25rem;
  line-height: normal;
  display: flex;
}

这里的工作演示： https://codepen.io/NightShade1993/pen/ReQWOb

【讨论】：

【解决方案5】：

尝试将之前的位置设为绝对位置，使其出现在列表顶部

我在这里附上了两个例子：

第一个就是答案。

第二个是为什么我们应该给出绝对位置。

<!DOCTYPE html>
<html>
<head>
<style>
ol{width:250px;}
ol.a{
  list-style-position: outside;
  margin: 0;
  counter-reset: my-awesome-counter;
  display:block;
  position: relative;
  list-style-type:none;
  }
ol.a li {
  counter-increment: my-awesome-counter;
  display:block;
  padding-left: 10px;
  margin-bottom: 10px;
}

ol.a li:before {
  display: inline-block;
  content: counter(my-awesome-counter);
  width: 40px;
  height: 40px;
  line-height: 24px;
  background: #000;
  border-radius: 25px;
  color: white;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 24px;
  font-weight: 700;
  position:absolute;
  left: 0;
 }
 ol.b li:before{
     display: inline-block;
  content: counter(my-awesome-counter);
  width: 40px;
  height: 40px;
  line-height: 24px;
  background: #000;
  border-radius: 25px;
  color: white;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 24px;
  font-weight: 700;
  }



</style>
</head>
<body>
 <h2>With `postion:absolute`</h2>
<ol class="a">
  <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
   <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
   <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
</ol>
 <br><br>
<h2>Without `position:absolute`</h2>
   <ol class="b">
  <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
   <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
   <li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
</ol>

</body>
</html>

当我们不定位之前的位置时会发生这种情况。

【讨论】：