css - 如何自动调整下拉内容的宽度以匹配 <p> 元素的宽度？

Question

基本上，我有两个 <p>元素。当您将鼠标悬停在一个 <p> 上时元素，出现下拉内容。问题是，我希望下拉列表内容(下拉列表本身)的宽度匹配 <p> 的宽度元素。 These images should probably describe what I'm talking about .我在第一张图片上画的红线是我想“切断”或调整大小以使其完全适合文本的内容。

代码如下:

#dropdown {
  display: inline-block;
  position: relative;
  text-align: center;
}

#dropdown p {
  color: #262261;
  font-family: 'Work Sans', sans-serif;
  font-size: 35px;
  letter-spacing: 5px;
  margin: auto auto auto auto;
}

#dropdown-content {
  position: absolute;
  margin: 10px auto auto auto;
  height: auto;
  min-width: 300px;
  opacity: 0;
  transition: all .2s ease-in;
  background-color: #262261;
  border-radius: 8px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.nav-dropdown-container {
  width: 400px;
}

#dropdown-content p {
  font-size: 20px;
  font-family: 'Work Sans', sans-serif;
  font-size: 30px;
  letter-spacing: 2px;
  transition: 0.5s;
}

#dropdown:hover #dropdown-content {
  opacity: 1;
  line-height: 2;
  padding-top: 1em;
  padding-bottom: 1em;
  -webkit-transition: all 0.5s ease-in-out;
  -moz-transition: all 0.5s ease-in-out;
  -o-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

#dropdown-link:link {
  color: #FFFFFF;
  display: block;
  text-decoration: none;
}

<div id="applications">
  <div class="nav-dropdown-container">
    <div id="dropdown">
      <p>APPLICATIONS</p>
      <div id="dropdown-content">
        <center>
          <p><a id="dropdown-link" href="pages/nami.html">abc</a></p>
          <p><a id="dropdown-link" href="pages/jammr.html">def</a></p>
        </center>
      </div>
    </div>
  </div>

我真的不想手动执行此操作，我希望自动完成此操作。请让我知道这是否可能。再一次，我很难解释我想做什么，所以我尽力了。谢谢!

Answer 1

只需将 left:0;right:0; 与 positon:absolute 元素一起使用，并删除所有宽度定义。 inline-block 将使宽度适合内容:

And get rid of the center tag.

#dropdown {
  display: inline-block;
  position: relative;
  text-align: center;
}

#dropdown p {
  color: #262261;
  font-family: 'Work Sans', sans-serif;
  font-size: 35px;
  letter-spacing: 5px;
  margin: auto auto auto auto;
}

#dropdown-content {
  position: absolute;
  left: 0;
  right: 0;
  margin: 10px auto auto;
  text-align: center;
  opacity: 0;
  transition: all .2s ease-in;
  background-color: #262261;
  border-radius: 8px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

#dropdown-content p {
  font-size: 20px;
  font-family: 'Work Sans', sans-serif;
  font-size: 30px;
  letter-spacing: 2px;
  transition: 0.5s;
}

#dropdown:hover #dropdown-content {
  opacity: 1;
  line-height: 2;
  padding-top: 1em;
  padding-bottom: 1em;
  transition: all 0.5s ease-in-out;
}

#dropdown-link:link {
  color: #FFFFFF;
  display: block;
  text-decoration: none;
}

<div id="dropdown">
  <p>APPLICATIONS</p>
  <div id="dropdown-content">
    <p><a id="dropdown-link" href="pages/nami.html">abc</a></p>
    <p><a id="dropdown-link" href="pages/jammr.html">def</a></p>
  </div>
</div>
<div id="dropdown">
  <p>extention</p>
  <div id="dropdown-content">
    <p><a id="dropdown-link" href="pages/nami.html">abc</a></p>
    <p><a id="dropdown-link" href="pages/jammr.html">def</a></p>
  </div>
</div>