如何使伪元素适合 div 的整个宽度?它在卷轴处被切断

How do I make a pseudo element fit the entire width of div? It is cutting off at the scroll

谁能帮我弄清楚如何让我的伪元素跨越我的 div 元素的整个宽度,而不是在滚动时切断?

我尝试了一些在网上找到的不同方法,包括更改显示类型、宽度等。请记住,这需要水平显示。如果您有任何其他建议如何使这项工作或任何一般的改进,那将是很好的。

谢谢

* {
 margin: 0;
 padding: 0;
 box-sizing: border-box;
 font-family: 'Vardana';
}
.container {
 background: linear-gradient(to right, rgba(20,30,48,.9), rgba(36,59,85,.9));
 margin: 20px;
 height: 400px;
 border-radius: 10px;
 overflow: scroll;
 font-size: 13px;

}
.container ul {
 display: grid;
 grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
 grid-template-rows: 1fr;
 position: relative;
}

.container ul:before {
 content: "";
 position: absolute;
 width: 100%;
 height: 4px;
 background: white;
 margin-top: 20px;
}
.Event1:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
.Event2:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
.Event3:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
.Event4:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
.Event5:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
.Event6:before {
 content: "";
 margin-top: -28px;
 position: absolute;
 width: 18px;
 height: 18px;
 border-radius: 10px;
 background: linear-gradient(to right, rgba(20,30,48,.8), rgba(36,59,85,.2));
 border: 1.5px solid white;
}
li {
 list-style: none;
}

.Event1 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event2 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event3 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event4 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event5 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event6 h4 {
 color: #feb645;
 font-size: 14px;
}
.Event1 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
.Event2 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
.Event3 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
.Event4 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
.Event5 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
.Event6 {
 margin: 10px;
 margin-top: 30px;
 padding: 10px;
 border-radius: 10px;
 color: white;
 width: 200px;
}
<!DOCTYPE HTML>
<html lang=“en”>
  <head>
 <title>Dads Website</title>
 <link rel="stylesheet" href="stylesheet.css">
  <script src="JavaScript.js" defer> </script>
  </head>

  <body>
    <header>
        <nav class="navbar">
          <h1>History Timeline</h1>
    </header>

  <div class="container">
      <ul id="timelineList">
        <li class="Event1"><h4>Event 1</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
        <li class="Event2"><h4>Event 2</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
        <li class="Event3"><h4>Event 3</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
        <li class="Event4"><h4>Event 4</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
        <li class="Event5"><h4>Event 5</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
        <li class="Event6"><h4>Event 6</h4>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit,
          sed do eiusmod tempor incididunt ut labore et dolore magna
          aliqua. Ut enim ad minim veniam, quis nostrud exercitation
          ullamco laboris nisi ut aliquip ex ea commodo consequat.
        </li>
      </ul>

  </div>
  </body>

  <footer class="footer">
  </footer>
</html>

我已经从网格更改为内联块,以使其仍然水平显示。但我认为以下对我有用...... 宽度:最大内容;