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HTML

CSS

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JavaScript

Babel includes JSX processing.

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Code Indentation

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HTML

              
                #content
  input type="text"
  .help 
    = "?"
    .message je suis un message d'aide
              
            
!

CSS

              
                @import compass

#content
  width: 500px
  margin: 100px auto
  
input, .help
  float: left
 
.help
  background: green
  height: 20px
  width: 20px
  margin-left: 5px
  text-align: center
  color: white
  font-weight: bold
  border-radius: 20px
  position: relative
  .message
    color: black
    position: absolute
    top: 0
    left: 30px
    display: none
    font-weight: normal
    width: 500px
    text-align: left

input:focus ~ .help
  background-color: darkblue
  .message
    display: block
              
            
!

JS

              
                
              
            
!
999px

Console