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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

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JavaScript

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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

            
              <div class="🐷">
  <div class="torso"/>
  <div class="head">
    <div class="l-ear ear"></div>
    <div class="r-ear ear"></div>
    <div class="l-eye eye"></div>
    <div class="r-eye eye"></div>
    <div class="snout">
      <div class="snout-center"></div>
      <div class="l-nostril nostril"></div>
      <div class="r-nostril nostril"></div>
      <div class="l-cheek cheek"></div>
      <div class="r-cheek cheek"></div>
    </div>
  </div>
</div>
<div class="fl-leg leg"></div>
<div class="fr-leg leg"></div>
<div class="br-leg leg"></div>
<div class="bl-leg leg"></div>
</div>
</div>
</div>
!

CSS

            
              $background: #fddce6;
$pig: #ef63a8;
$snout: #ff87b8;

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: $background;
}

// * {
//   box-sizing: border-box;
//   position: absolute;
//   will-change: transform;
// }
[class="🐷"] {
  height: 300px;
  width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  box-sizing: border-box;
  // border: 1px solid red;
  // z-index: 0;
  * {
    background-color: $pig;
    border: 8px solid black;
    box-sizing: border-box;
    position: absolute;
  }
  *:before,
  *:after {
    box-sizing: border-box;
    position: relative;
  }
}

.torso {
  width: 175px;
  height: 150px;
  border-radius: 45%;
}
.head {
  width: 200px;
  height: 150px;
  left: -22px;
  top: -75px;
  border-radius: 45%;
  &:before {
    content: ""; // position relative;
  }
}

.ear {
  width: 50px;
  height: 70px;
  top: -30px;
  z-index: -6;
}
.r-ear {
  right: 5px;
  border-top-right-radius: 80%;
  transform: rotate(10deg);
}
.l-ear {
  left: 5px;
  border-top-left-radius: 80%;
  transform: rotate(-10deg);
}
.eye {
  background-color: black;
  width: 1px;
  height: 1px;
  border-radius: 50%;
  top: 25px;
}
@keyframes head-spin {
  from,
  to {
    transform: none;
  }
  25% {
    transform: translateX(-10px) translateY(-10px);
  }
  50% {
    transform: translateX(10px) translateY(-10px);
  }
}
@keyframes ear-spin-left {
  25% {
    transform: rotate(-30deg);
  }
}
@keyframes ear-spin-right {
  25% {
    transform: rotate(30deg);
  }
}
@keyframes eye-close {
  90% {
    width: 16px;
    height: 0px;
    border-radius: 0%;
    border: 1px solid black;
  }
}
.l-ear {
  animation: ear-spin-left 5s ease infinite;
}
.r-ear {
  animation: ear-spin-right 5s ease infinite;
  animation-delay: 1.25s;
}
.snout {
  animation: head-spin 5s infinite;
}
.eye {
  animation: eye-close 5s linear infinite, head-spin 5s infinite;
}
.l-eye {
  left: 50px;
}
.r-eye {
  left: 120px;
}
.snout {
  left: calc(50% - 25px);
  top: 50%;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  background-color: $snout;
  &:before {
    content: ""; // position relative
  }
}
.snout-center {
  width: 100%;
  top: calc(50% - 3px);
  border: 3px solid black;
}
.nostril {
  width: 1px;
  height: 1px;
  border-radius: 50%;
  border: 5px solid black;
  top: calc(25% - 5px);
}
.l-nostril {
  left: 4px;
}
.r-nostril {
  right: 4px;
}
.cheek {
  width: 25px;
  height: 50px;
  bottom: -10px;
}
.l-cheek {
  left: -30px;
  border-top-right-radius: 58px;
  border-bottom-right-radius: 58px;
  border-left: 0;
}
.r-cheek {
  right: -30px;
  border-top-left-radius: 58px;
  border-bottom-left-radius: 58px;
  border-right: 0;
}

.leg {
  width: 75px;
  height: 100px;
  bottom: 40px;
  z-index: -5;
}
.fr-leg {
  left: 65px;
}
.fl-leg {
  right: 65px;
}
.bl-leg {
  right: 71px;
  z-index: -6;
  bottom: 50px;
}
.br-leg {
  left: 71px;
  z-index: -6;
  bottom: 50px;
}
!
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