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这篇文章主要讲解了“怎么用CSS3垂直时间轴特效”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么用CSS3垂直时间轴特效”吧！
这是一款超酷的CSS3垂直时间轴特效。该CSS3垂直时间轴特效通过伪元素来制作超酷的半圆形，所有半圆形连接为一条曲线路径，从而组成了时间轴的线路。
在页面中引入bootstrap.min.css文件。
该CSS3垂直时间轴的HTML结构如下：
Lorem ipsum dolor sit amet,... Web Desginer
Lorem ipsum dolor sit amet...
为该CSS3垂直时间轴添加下面的CSS代码。
.main-timeline{ overflow: hidden; position: relative;}.main-timeline .timeline{ position: relative; margin-top: -79px;}.main-timeline .timeline:first-child{ margin-top: 0; }.main-timeline .timeline:before,.main-timeline .timeline:after{ content: ""; display: block; width: 100%; clear: both;}.main-timeline .timeline:before{ content: ""; width: 100%; height: 100%; position: absolute; top: 0; right: 0; z-index: 2;}.main-timeline .timeline-icon{ width: 210px; height: 210px; border-radius: 50%; border: 25px solid transparent; border-top-color: #f44556; border-right-color: #f44556; margin: auto; position: absolute; top: 0; left: 0; bottom: 0; right: 0; z-index: 1; transform: rotate(45deg);}.main-timeline .year{ display: block; width: 110px; height: 110px; line-height: 110px; border-radius: 50%; background: #fff; box-shadow: 0 0 20px rgba(0,0,0,0.4); margin: auto; font-size: 30px; font-weight: bold; color: #f44556; text-align: center; position: absolute; top: 0; left: 0; bottom: 0; right: 0; transform: rotate(-45deg);}.main-timeline .timeline-content{ width: 35%; float: right; background: #f44556; padding: 30px 20px; margin: 50px 0; z-index: 1; position: relative;}.main-timeline .timeline-content:before{ content: ""; width: 20%; height: 15px; background: #f44556; position: absolute; top: 50%; left: -20%; z-index: -1; transform: translateY(-50%);}.main-timeline .title{ font-size: 20px; font-weight: bold; color: #fff; margin: 0 0 10px 0;}.main-timeline .description{ font-size: 16px; color: #fff; line-height: 24px; margin: 0;}.main-timeline .timeline:nth-child(2n) .timeline-icon{ transform: rotate(-135deg); }.main-timeline .timeline:nth-child(2n) .year{ transform: rotate(135deg); }.main-timeline .timeline:nth-child(2n) .timeline-content{ float: left; }.main-timeline .timeline:nth-child(2n) .timeline-content:before{ left: auto; right: -20%;}.main-timeline .timeline:nth-child(2n) .timeline-icon{ border-top-color: #e97e2e; border-right-color: #e97e2e;}.main-timeline .timeline:nth-child(2n) .year{ color: #e97e2e; }.main-timeline .timeline:nth-child(2n) .timeline-content,.main-timeline .timeline:nth-child(2n) .timeline-content:before{ background: #e97e2e; }.main-timeline .timeline:nth-child(3n) .timeline-icon{ border-top-color: #13afae; border-right-color: #13afae;}.main-timeline .timeline:nth-child(3n) .year{ color: #13afae; }.main-timeline .timeline:nth-child(3n) .timeline-content,.main-timeline .timeline:nth-child(3n) .timeline-content:before{ background: #13afae; }.main-timeline .timeline:nth-child(4n) .timeline-icon{ border-top-color: #105572; border-right-color: #105572;}.main-timeline .timeline:nth-child(4n) .year{ color: #105572; }.main-timeline .timeline:nth-child(4n) .timeline-content,.main-timeline .timeline:nth-child(4n) .timeline-content:before{ background: #105572; }@media only screen and (max-width: 1199px){ .main-timeline .timeline{ margin-top: -103px; } .main-timeline .timeline-content:before{ left: -18%; } .main-timeline .timeline:nth-child(2n) .timeline-content:before{ right: -18%; }}@media only screen and (max-width: 990px){ .main-timeline .timeline{ margin-top: -127px; } .main-timeline .timeline-content:before{ left: -2%; } .main-timeline .timeline:nth-child(2n) .timeline-content:before{ right: -2%; }}@media only screen and (max-width: 767px){ .main-timeline .timeline{ margin-top: 0; overflow: hidden; } .main-timeline .timeline:before, .main-timeline .timeline:nth-child(2n):before{ box-shadow: none; } .main-timeline .timeline-icon, .main-timeline .timeline:nth-child(2n) .timeline-icon{ margin-top: -30px; margin-bottom: 20px; position: relative; transform: rotate(135deg); } .main-timeline .year, .main-timeline .timeline:nth-child(2n) .year{ transform: rotate(-135deg); } .main-timeline .timeline-content, .main-timeline .timeline:nth-child(2n) .timeline-content{ width: 100%; float: none; border-radius: 0 0 20px 20px; text-align: center; padding: 25px 20px; margin: 0 auto; } .main-timeline .timeline-content:before, .main-timeline .timeline:nth-child(2n) .timeline-content:before{ width: 15px; height: 25px; position: absolute; top: -22px; left: 50%; z-index: -1; transform: translate(-50%,0); }}
该CSS3代码中用了很多变形、角度等CSS3特性，不熟悉CSS3的同学可以参考CSS3手册。
感谢各位的阅读，以上就是“怎么用CSS3垂直时间轴特效”的内容了，经过本文的学习后，相信大家对怎么用CSS3垂直时间轴特效这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联网站建设公司，，小编将为大家推送更多相关知识点的文章，欢迎关注！