CSS3如何实现时间轴动画 CSS3实现时间轴动画代码示例

CSS3如何实现时间轴动画？本篇文章小编给大家分享一下CSS3实现时间轴动画代码示例，文章代码介绍的很详细，小编觉得挺不错的，现在分享给大家供大家参考，有需要的小伙伴们可以来看看。

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 compass

/* -------------------------------------
 * For horizontal version, set the
 * $vertical variable to false
 * ------------------------------------- */
$vertical: true

/* -------------------------------------
 * General Style
 * ------------------------------------- */

// Colours
$bg: #48b379
$white: #eee9dc
$red: #f98262

@import url(https://fonts.googleapis.com/css?family=Noto+Sans)

body
  @if $vertical
    max-margin: 0 auto
  @else
    margin: 0
  padding: 0 5%
  font-size: 100%
  font-family: 'Noto Sans', sans-serif
  color: $white
  background: $bg

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

/* -------------------------------------
 * timeline
 * ------------------------------------- */

#timeline
  list-style: none
  @if $vertical
    margin: 50px 0 30px 120px
    padding-left: 30px
    border-left: 8px solid $white
  @else
    margin: 120px 0 0
    padding: 0
    border-top: 8px solid $white
    display: table
    border-spacing: 30px 0
  li
    @if $vertical
      margin: 40px 0
      position: relative
    @else
      display: table-cell
      // for Firefox
      .relative
        position: relative
  p
    margin: 0 0 15px

.date
  @if $vertical
    margin-top: -10px
    top: 50%
    left: -158px
  @else
    text-align: center
    top: -55px
    left: 0
    right: 0
  font-size: 0.95em
  line-position: absolute
.circle
  @if $vertical
    margin-top: -10px
    top: 50%
    left: -44px
  @else
    margin: 0 auto
    top: -14px
    left: 0
    right: 0
  background: $bg
  border: 5px solid $white
  border-radius: 50%
  display: block
  position: absolute

.content
  @if $vertical
    max-padding: 50px 20px 0
    border-color: transparent
  @else
    max-height: 0
    margin-top: 40px
    vertical-align: top
    padding: 50px 15px 15px
    transition: width 0.4s linear, max-height 0.4s linear
  border-border-style: solid
  border-radius: 0.5em
  position: relative
  &:before, &:after
    content: ""
    width: 0
    height: 0
    border: solid transparent
    position: absolute
    pointer-events: none
    @if $vertical
      right: 100%
    @else
      bottom: 100%
  &:before
    @if $vertical
      border-right-color: inherit
      border-top: 50%
      margin-top: -20px
    @else
      border-bottom-color: inherit
      border-left: 50%
      margin-left: -15px
  &:after
    @if $vertical
      border-right-color: $bg
      border-top: 50%
      margin-top: -17px
    @else
      border-bottom-color: $bg
      border-left: 50%
      margin-left: -12px
  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
  @if $vertical
    top: 20px
    transition: transform 0.2s linear
  @else
    white-space: nowrap
    text-overflow: ellipsis
    overflow: hidden
    display: block
    top: 60px
    left: 15px

.radio
  display: none
.radio:checked
  & + .relative
    label
      cursor: auto
      @if $vertical
        transform: translateX(42px)
      @else
        transition: width 0.3s linear 0.2s
    .circle
      background: $red
  & ~ .content
    max-border-color: $white
    @if $vertical
      margin-right: 20px
      transform: translateX(20px)
      transition: max-height 0.4s linear, border-color 0.5s linear, transform 0.2s linear
    @else
      p
      max-color: $white
      transition: color 0.3s linear 0.3s

/* -------------------------------------
 * mobile phones (vertical version only)
 * ------------------------------------- */
@if $vertical
  @media screen and (max-)
    #timeline
      margin-left: 0
      padding-left: 0
      border-left: none
      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: $white
      &:before, &:after
        border: solid transparent
        bottom: 100%
      &:before
        border-bottom-color: inherit
        border-top: -16px
        left: 50px
        margin-left: -17px
      &:after
        border-bottom-color: $bg
        border-top: -20px
        left: 50px
        margin-left: -20px
      p
        font-size: 0.9em
        line-height: 1.4
    .circle, .date
      display: none