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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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CSS

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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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Packages

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Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

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HTML 

              
                .center
  .case-front
    .handle
    each val, row in new Array(21)
      - let evenRow = row % 2 === 0
      .circle-row(class=(evenRow ? '' : 'shifted'))
        - let circleNumber = evenRow ? 8 : 7
        each val, column in new Array(circleNumber)
          .circle
            if (row !== 0)
              .top
            if (!evenRow || column !== 0)
              .left
            if (column !== 7)
              .right

    .foot.foot-left
    .foot.foot-right
    
  .case-side
    img.apple-logo(src="http://pngimg.com/uploads/apple_logo/apple_logo_PNG19670.png")
    .foot.foot-left
    .foot.foot-right
!

CSS 

              
                *, *:before, *:after 
  box-sizing: border-box
  
body
  width: 100vw
  height: 100vh

.inspiration
  position: fixed
  bottom: 0
  right: 0
  padding: 10px
  text-align: center
  text-decoration: none
  font-family: 'Gill Sans', sans-serif
  font-size: 12px
  color: rgb(127, 127, 127)
  
.center
  position: absolute
  top: 50%
  left: 50%
  display: flex
  align-items: center
  transform: translate(-50%, -50%) scale(1.1)
  
  @media screen and (max-height: 500px)
    transition: transform 0.5s
    transform: translate(-50%, -50%) scale(0.8)

.case-front
  background-color: #e9eaec
  background: linear-gradient(to right, #b9babc, #e9eaec 5%, #e9eaec 95%, #b9babc 100%)
  padding: 10px 15px
  transform: scale(0.7)
  
.case-side
  display: flex
  justify-content: center
  align-items: center
  width: 500px
  height: 460px
  background: linear-gradient(to right, #b9babc, #e9eaec 5%, #e9eaec 95%, #b9babc 100%)
  transform: scale(0.7)
  margin-left: -60px
  
  .apple-logo
    width: 100px
    filter: brightness(30%)
  
.handle
  position: absolute
  top: -62px
  left: 50%
  width: 250px
  height: 110px
  border-radius: 30px 30px 0 0
  transform: translateX(-50%) scale(0.7)
  box-shadow: 
  0 0 0 5px #c4c4c4,
  0 0 0 9px #888787,
  0 0 0 13px #fff,
  0 0 0 16px #ddd,
  0 0 0 18px #aaa
  clip-path: inset(-20px -20px 45px -20px)
  
.circle-row
  display: grid
  grid-template-columns: repeat(8, 28px)
  grid-template-rows: repeat(1, 20px)
  height: 21px
  
  &.shifted
    transform: translateX(14px)
    
.circle
  place-self: center
  width: 100px
  height: 100px
  border-radius: 50%
  background: radial-gradient(circle at 30% 40%, #fff 10%, #888888 50%)
  box-shadow: inset 0px 0px 30px -2px #000
  transform: scale(0.22)

  .top
    position: absolute
    width: 50px
    height: 35px
    border-radius: 50%
    background-color: black
    transform: translateX(25px) translateY(1px)
  .left
    position: absolute
    width: 50px
    height: 35px
    border-radius: 50%
    background-color: black
    transform: translateX(-1px) translateY(50px) rotate(60deg)
  .right
    position: absolute
    width: 50px
    height: 35px
    border-radius: 50%
    background-color: black
    transform: translateX(51px) translateY(50px) rotate(-60deg)

.foot
  position: absolute
  bottom: -40px
  width: 25px
  height: 40px
  border-bottom: 2px solid #777
  background: linear-gradient(to right, #8a8a8a, #c4c4c4, #888787, #fff, #ddd, #828282)
  
  &:after
    content: ''
    width: 60px
    height: 5px
    position: absolute
    bottom: -6px
    left: -17px
    background: linear-gradient(to right, #8a8a8a, #c4c4c4, #888787, #fff, #ddd, #828282)
    border-bottom: 1px solid #777

  &.foot-left
    left: 25px
    transform: scale(-1, 1)
  &.foot-right
    right: 25px
!

JS 

              
                //     ¯\_(ツ)_/¯     \\
!
999px

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