我是新手的超文本标记语言，css和js目前试图创建一个课程项目的个人网站.其中一个页面包含一个带有日期和信息的时间表.我使用了W3School的教程，但请在jsfiddle:http://jsfiddle.net/gua0nkj6/1/中找到代码
问题是，前3个日期看起来很好，但随后的任何日期相对于时间线都没有对齐.
另见下图(超文本标记语言和css):
<!DOCTYPE html>
<html lang="en">
<head>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
<link href="styles.css" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>About me page</title>
</head>
<body class="about-me">
<div class="timeline">
<div class="container-timeline left-side">
<div class="content-timeline">
<h2 class="timeline-heading">2011</h2>
<p class="timeline-text">Lorem ipsum.</p>
</div>
</div>
<div class="container-timeline right-side">
<div class="content-timeline">
<h2 class="timeline-heading">2012</h2>
<p class="timeline-text">Lorem ipsum.</p>
</div>
</div>
<div class="container-timeline left-side">
<div class="content-timeline">
<h2 class="timeline-heading">2013</h2>
<p class="timeline-text">Lorem ipsum.</p>
</div>
<div class="container-timeline right-side" style="border: 4px solid black;">
<div class="content-timeline">
<h2 class="timeline-heading">2014</h2>
<p class="timeline-text">Lorem ipsum.</p>
</div>
</div>
</div>
</body>
</html>
/* Boilerplate CSS for box sizing and body */
* {
box-sizing: border-box;
}
body {
background-color: beige;
font-family: Georgia, Times, Courier;
}
/* Special thanks to W3Schools for the
timeline tutorial: https://www.w3schools.com/howto/howto_css_timeline.asp */
/* Container around content */
.timeline {
position: relative;
max-width: 1200px;
margin: 0 auto;
}
.timeline::after {
content: '';
position: absolute;
width: 6px;
background-color: #327c9c;
top: 0px;
bottom: 0px;
left: 50%;
}
.container-timeline {
padding: 10px 40px;
position: relative;
background-color: inherit;
width: 50%;
}
/* The circles on the timeline */
.container-timeline::after {
content: '';
position: absolute;
width: 25px;
height: 25px;
right: -15px;
background-color: white;
border: 3px solid #327c9c;
top: 19.2px;
border-radius: 50%;
z-index: 1;
}
.left-side {
left: 0;
}
.right-side {
left: 50%;
}
/* Add arrows to the left container (pointing right) */
.left-side::before {
content: " ";
height: 0;
position: absolute;
top: 22px;
width: 0;
z-index: 1;
right: 30px;
border: medium solid white;
border-width: 10px 0 10px 10px;
border-color: transparent transparent transparent white;
}
/* Add arrows to the right container (pointing left) */
.right-side::before {
content: " ";
height: 0;
position: absolute;
top: 22px;
width: 0;
z-index: 1;
left: 30px;
border: medium solid white;
border-width: 10px 10px 10px 0;
border-color: transparent white transparent transparent;
}
/* Fix the circle for containers on the right side */
.right-side::after {
left: -9px;
}
/* The actual content */
.content-timeline {
padding: 20px 30px;
background-color: #327c9c;
position: relative;
border-radius: 6px;
}
/* Media queries - Responsive timeline on screens less than 600px wide */
@media screen and (max-width: 600px) {
/* Place the timelime to the left */
.timeline::after {
left: 25px;
}
/* Full-width containers */
.container-timeline {
width: 100%;
padding-left: 70px;
padding-right: 25px;
}
/* Make sure that all arrows are pointing leftwards */
.container-timeline::before {
left: 60px;
border: medium solid white;
border-width: 10px 10px 10px 0;
border-color: transparent white transparent transparent;
}
/* Make sure all circles are at the same spot */
.left-side::after,
.right-side::after {
left: 15px;
}
/* Make all right containers behave like the left ones */
.right-side {
left: 0%;
}
}
/* format the timeline boxes */
.timeline-heading {
color: white;
border-bottom: 1px solid white;
font-family: Courier;
}
.timeline-text {
color: white;
font-family: Georgia;
}
我的最终结果如下所示，我在最后一个元素中添加了一个边框来突出显示该问题.
如有需要，敬请惠顾！