有很多网站都会使用时间轴动画，其好处就是就是可以直观展示时间线以及美化网站，那么时间轴动画效果是如何实现的呢？下面分享一个CSS3实现时间轴动画的实例，效果图如下，感兴趣的朋友就继续往下看吧。

       实现效果

       html

<h2>CSS3 Timeline</h2>
<p>Please set the $vertical variable to false to see the horizontal version.</p>
<ul id='timeline'>
  <li class='work'>
    <input class='radio' id='work5' name='works' type='radio' checked>
    <div class="relative">
      <label for='work5'>Lorem ipsum dolor sit amet</label>
      <span class='date'>12 May 2013</span>
      <span class='circle'></span>
    </div>
    <div class='content'>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Odio ea necessitatibus 

quo velit natus cupiditate qui alias possimus ab praesentium nostrum quidem obcaecati nesciunt!

 Molestiae officiis voluptate excepturi rem veritatis eum aliquam qui laborum non ipsam ullam 

tempore reprehenderit illum eligendi cumque mollitia temporibus! Natus dicta qui est optio rerum.
      </p>
    </div>
  </li>
  <li class='work'>
    <input class='radio' id='work4' name='works' type='radio'>
    <div class="relative">
      <label for='work4'>Lorem ipsum dolor sit amet</label>
      <span class='date'>11 May 2013</span>
      <span class='circle'></span>
    </div>
    <div class='content'>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Odio ea necessitatibus

 quo velit natus cupiditate qui alias possimus ab praesentium nostrum quidem obcaecati nesciunt!

 Molestiae officiis voluptate excepturi rem veritatis eum aliquam qui laborum non ipsam ullam

 tempore reprehenderit illum eligendi cumque mollitia temporibus! Natus dicta qui est optio rerum.
      </p>
    </div>
  </li>
  <li class='work'>
    <input class='radio' id='work3' name='works' type='radio'>
    <div class="relative">
      <label for='work3'>Lorem ipsum dolor sit amet</label>
      <span class='date'>10 May 2013</span>
      <span class='circle'></span>
    </div>
    <div class='content'>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Odio ea necessitatibus quo

 velit natus cupiditate qui alias possimus ab praesentium nostrum quidem obcaecati nesciunt! 

Molestiae officiis voluptate excepturi rem veritatis eum aliquam qui laborum non ipsam ullam

 tempore reprehenderit illum eligendi cumque mollitia temporibus! Natus dicta qui est optio rerum.
      </p>
    </div>
  </li>
  <li class='work'>
    <input class='radio' id='work2' name='works' type='radio'>
    <div class="relative">
      <label for='work2'>Lorem ipsum dolor sit amet</label>
      <span class='date'>09 May 2013</span>
      <span class='circle'></span>
    </div>
    <div class='content'>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Odio ea necessitatibus quo 

velit natus cupiditate qui alias possimus ab praesentium nostrum quidem obcaecati nesciunt!

 Molestiae officiis voluptate excepturi rem veritatis eum aliquam qui laborum non ipsam ullam

 tempore reprehenderit illum eligendi cumque mollitia temporibus! Natus dicta qui est optio rerum.
      </p>
    </div>
  </li>
  <li class='work'>
    <input class='radio' id='work1' name='works' type='radio'>
    <div class="relative">
      <label for='work1'>Lorem ipsum dolor sit amet</label>
      <span class='date'>08 May 2013</span>
      <span class='circle'></span>
    </div>
    <div class='content'>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Odio ea necessitatibus quo

 velit natus cupiditate qui alias possimus ab praesentium nostrum quidem obcaecati nesciunt! 

Molestiae officiis voluptate excepturi rem veritatis eum aliquam qui laborum non ipsam ullam

 tempore reprehenderit illum eligendi cumque mollitia temporibus! Natus dicta qui est optio rerum.
      </p>
    </div>
  </li>
</ul>

css

/* -------------------------------------
 * For horizontal version, set the
 * $vertical variable to false
 * ------------------------------------- */
/* -------------------------------------
 * General Style
 * ------------------------------------- */
@import url(https://fonts.googleapis.com/css?family=Noto+Sans);
body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
  font-size: 100%;
  font-family: "Noto Sans", sans-serif;
  color: #eee9dc;
  background: #48b379;
}

h2 {
  margin: 3em 0 0 0;
  font-size: 1.5em;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* -------------------------------------
 * timeline
 * ------------------------------------- */
#timeline {
  list-style: none;
  margin: 50px 0 30px 120px;
  padding-left: 30px;
  border-left: 8px solid #eee9dc;
}
#timeline li {
  margin: 40px 0;
  position: relative;
}
#timeline p {
  margin: 0 0 15px;
}

.date {
  margin-top: -10px;
  top: 50%;
  left: -158px;
  font-size: 0.95em;
  line-height: 20px;
  position: absolute;
}

.circle {
  margin-top: -10px;
  top: 50%;
  left: -44px;
  width: 10px;
  height: 10px;
  background: #48b379;
  border: 5px solid #eee9dc;
  border-radius: 50%;
  display: block;
  position: absolute;
}

.content {
  max-height: 20px;
  padding: 50px 20px 0;
  border-color: transparent;
  border-width: 2px;
  border-style: solid;
  border-radius: 0.5em;
  position: relative;
}
.content:before, .content:after {
  content: "";
  width: 0;
  height: 0;
  border: solid transparent;
  position: absolute;
  pointer-events: none;
  right: 100%;
}
.content:before {
  border-right-color: inherit;
  border-width: 20px;
  top: 50%;
  margin-top: -20px;
}
.content:after {
  border-right-color: #48b379;
  border-width: 17px;
  top: 50%;
  margin-top: -17px;
}
.content p {
  max-height: 0;
  color: transparent;
  text-align: justify;
  word-break: break-word;
  hyphens: auto;
  overflow: hidden;
}

label {
  font-size: 1.3em;
  position: absolute;
  z-index: 100;
  cursor: pointer;
  top: 20px;
  transition: transform 0.2s linear;
}

.radio {
  display: none;
}

.radio:checked + .relative label {
  cursor: auto;
  transform: translateX(42px);
}
.radio:checked + .relative .circle {
  background: #f98262;
}
.radio:checked ~ .content {
  max-height: 180px;
  border-color: #eee9dc;
  margin-right: 20px;
  transform: translateX(20px);
  transition: max-height 0.4s linear, border-color 0.5s linear, transform 0.2s linear;
}
.radio:checked ~ .content p {
  max-height: 200px;
  color: #eee9dc;
  transition: color 0.3s linear 0.3s;
}

/* -------------------------------------
 * mobile phones (vertical version only)
 * ------------------------------------- */
@media screen and (max-width: 767px) {
  #timeline {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
  #timeline li {
    margin: 50px 0;
  }

  label {
    width: 85%;
    font-size: 1.1em;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    display: block;
    transform: translateX(18px);
  }

  .content {
    padding-top: 45px;
    border-color: #eee9dc;
  }
  .content:before, .content:after {
    border: solid transparent;
    bottom: 100%;
  }
  .content:before {
    border-bottom-color: inherit;
    border-width: 17px;
    top: -16px;
    left: 50px;
    margin-left: -17px;
  }
  .content:after {
    border-bottom-color: #48b379;
    border-width: 20px;
    top: -20px;
    left: 50px;
    margin-left: -20px;
  }
  .content p {
    font-size: 0.9em;
    line-height: 1.4;
  }

  .circle, .date {
    display: none;
  }
}

       以上就是关于CSS3实现时间轴动画的介绍，有需要的朋友可以参考一下上述代码，希望文本对大家学习有帮助，更多MongoDB片键内容大家可以继续关注其他文章。

免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：mmqy2019@163.com进行举报，并提供相关证据，查实之后，将立刻删除涉嫌侵权内容。

猜你喜欢

• css文字装饰text-decoration怎样使用？

  ss文字装饰text-decoration怎样使用？文字装饰text-decoration的用法还是比较简单的，而且也很实用，因此这篇文章就给大家分享一下文字装饰text-decoration和文字强调text-emphasis的使用，感兴趣的朋友就继续往下看吧。

• 用flex布局怎样实现无缝滚动的效果？

  这篇文章给大家分享的是用flex布局实现无缝滚动的效果。小编觉得挺实用的，因此分享给大家做个参考，文中示例代码介绍的非常详细，感兴趣的朋友接下来一起跟随小编看看吧。

• CSS属性分类包括哪一些，怎么学习

  CSS 属性被分为不同的类型，如字体属性、文本属性、边框属性、边距属性、布局属性、定位属性、打印属性等。对于初学者来说，初学 CSS 的最大障碍是如何熟悉并掌握这些属性的使用。

• CSS布局中有哪些错误和细节要注意的

  很多人都是边干边学习CSS的，因为css不像C#之类的语言那么复杂，但就是因为看起来简单因为导致很多人对css不理解，在css的布局中会出现很多小错误，那么下面就让小编为大家总结CSS布局中常见的错误。​​​​​​​

• CSS中li标签横向排列的方法是什么？

  在CSS中我们常常会使用到li标签，因为li标签用途很广泛，它可以用来制作列表，选项卡，导航等等。但是li是块级元素，我们想要实现横向排列，究竟该怎样做呢？下文给大家分享了两种方法，有需要的朋友可以参考，那么接下就跟小编来学习一下吧。