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A Pen By yoksel

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CSS Base

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JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.

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HTML

            
              .wrapper
  .item
    h3 P:nth-of-type(odd)
      
  div(class="item")
    h1 H1
    p P
    p P
    h2 H2
    p P
    p P
    h2 H2
    p P
    p P
!

CSS

            
              BODY {
  font: 12px/1.4 "Trebuchet MS", Arial, sans-serif;
  }

A {
  color: tomato;
  }

H1, H2, P {
  padding: 5px;
  }

H1, H3 {
  margin-bottom: 1rem;
  }
H1 {
  font: 2.7em/1.4 Georgia, serif;
  color: crimson;
  }
H2 {
  font: 1.8em/1.4 Georgia, serif;
  color: coral;
  }
H3 {
  font: italic 1.6em/1.4 Georgia, serif;
  color: #777;
  }
P {
  margin: .8em 0;
  border: 1px dashed #AAA;
  }

.wrapper {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0 0;
  &:after {
    content: '';
    display: table;
    width: 100%;
    clear: both;
    }
  }

P:nth-of-type(odd){
  background: khaki;
  }
!

JS
!
999px
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Console