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HTML

CSS

CSS Base

Vendor Prefixing

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JavaScript

Babel includes JSX processing.

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Packages

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HTML

              
                <div class="container">
  <div class="post">
    <div class="avatar"></div>
    <div class="line"></div>
    <div class="line"></div>
  </div>

  <div class="post">
    <div class="avatar"></div>
    <div class="line"></div>
    <div class="line"></div>
  </div>

  <div class="post">
    <div class="avatar"></div>
    <div class="line"></div>
    <div class="line"></div>
  </div>
</div>
              
            
!

CSS

              
                $base-color: #ddd
$shine-color: #e8e8e8
$animation-duration: 1.6s
$avatar-offset: 52 + 16

@mixin background-gradient
  background-image: linear-gradient(90deg, $base-color 0px, $shine-color 40px, $base-color 80px) 
  background-size: 600px
  
body
  margin: 0

.container
  height: 100vh
  display: flex
  flex-direction: column
  justify-content: center
  align-items: center
  
.post
  width: 220px
  height: 80px
  
  .avatar
    float: left
    width: 52px
    height: 52px
    background-color: #ccc
    border-radius: 25%
    margin: 8px
    
    @include background-gradient
    animation: shine-avatar $animation-duration infinite linear
    
  .line
    float: left
    width: 140px
    height: 16px
    margin-top: 12px
    border-radius: 7px
    
    @include background-gradient
    animation: shine-lines $animation-duration infinite linear
    
  .avatar + .line
    margin-top: 11px
    width: 100px
    
  .line ~ .line
    background-color: #ddd
 
@keyframes shine-lines
  0%
    background-position: -100px
  
  40%, 100%
    background-position: 140px

@keyframes shine-avatar
  0%
    background-position: -100px + $avatar-offset
  
  40%, 100%
    background-position: 140px + $avatar-offset

              
            
!

JS

              
                
              
            
!
999px

Console