CSS3 实现时间轴动画

实现效果

html

CSS3 Timeline
Please set the $vertical variable to false to see the horizontal version.

  

    
    
      Lorem ipsum dolor sit amet
      12 May 2013
      
    
    
      

 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.
      
    
  
  

    
    
      Lorem ipsum dolor sit amet
      11 May 2013
      
    
    
      

 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.
      
    
  
  

    
    
      Lorem ipsum dolor sit amet
      10 May 2013
      
    
    
      

 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.
      
    
  
  

    
    
      Lorem ipsum dolor sit amet
      09 May 2013
      
    
    
      

 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.
      
    
  
  

    
    
      Lorem ipsum dolor sit amet
      08 May 2013
      
    
    
      

 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.
      
    
  

css

@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 {
  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;
}


@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CSS3 实现时间轴动画的详细内容，更多关于CSS3 时间轴的资料请关注考高分网其它相关文章！