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              <div class="FancyInput">
  <input type="text" class="FancyInput-input" />
  <svg class="FancyInput-line FancyInput-line--left">
    <path d="M.067 2.085h105.936c20.008 2.491 30.013 13.784 30.013 33.88 0 20.094-10.005 31.387-30.013 33.878H.067" stroke="#E46071" stroke-width="5" fill="none" />
  </svg>
  <svg class="FancyInput-line FancyInput-line--right">
    <path d="M.067 2.085h105.936c20.008 2.491 30.013 13.784 30.013 33.88 0 20.094-10.005 31.387-30.013 33.878H.067" stroke="#E46071" stroke-width="5" fill="none" />
  </svg>
  <div class="FancyInput-caret"></div>
  <div class="FancyInput-placeholder">SEARCH</div>
</div>

<div class="Info">
  As this animation got a little bit more popular, it got some serious hate. I just want to point out that this is a proof of concept. Not following the best practices, accessibility, browser support... but showcasing what can be done using web technologies.
  <br/><br/>
  I was just playing with animations trying to reacreate <a target="_blank" href="https://uimovement.com/ui/6139/search-field/">this mockup</a> I was inspired by. Full animation works only in <a target="_blank" href="https://caniuse.com/#feat=css-caret-color">browsers supporting caret-color</a>.
  <br/><br/>
  You can read more about front end development on <a target="_blank" href="https://stanko.github.io">my blog</a>. I plan to write a follow up how this animation was created.
  <br/><br/>
  
  Cheers!
</div>
            
          
!
            
              // Inspired by this mockup
// https://uimovement.com/ui/6139/search-field/

$svg-line-length: 314;
$svg-height: 72px;
$svg-width: 138px;

$red: #E46071;

$line-animation-duration: 500ms;
$caret-animation-duration: 500ms;
$caret-color-animation-duration: 300ms;
$caret-color-animation-delay: $line-animation-duration + $caret-animation-duration;

* {
  box-sizing: border-box;
}

body {
  background: #532394;
  font-family: Verdana, Geneva, sans-serif;
  padding: 60px 20px;
}


// Animation which fades in caret when line animation is complete
@keyframes caret-color {
  0% {
    
  }
  100% {
    caret-color: $red;
  }
}

// Fake caret fly in animation
@keyframes caret {
  0% {
    transform: translateY(-24px) scaleY(0);
  }
  50% {
    transform: none;
  }
  100% {
    transform: scaleX(0.2);
  }
}

.FancyInput {
  height: $svg-height;
  margin: 0 auto;
  position: relative;
  width: $svg-width * 2;
}

.FancyInput-input {
  background: none;
  border: none;
  caret-color: transparent;
  color: $red;
  display: block;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 20px;
  font-weight: bold;
  height: 100%;
  letter-spacing: 1px;
  outline: 0;
  padding: 15px 30px;
  position: relative;
  text-align: center;
  text-transform: uppercase;
  width: 100%;
  z-index: 10;
}

.FancyInput-line {
  display: block;
  height: $svg-height;
  overflow: hidden;
  position: absolute;
  top: 0;
  width: $svg-width;

  path {
    stroke-dasharray: $svg-line-length $svg-line-length;
    stroke-dashoffset: 1; // Hack for safari
    transition: all $line-animation-duration;
  }
}

.FancyInput-line--left {
  left: 0;
  transform: rotateX(0) rotateY(180deg);
}

.FancyInput-line--right {
  right: 0;
  transform: rotateX(0) rotateY(0);
}

.FancyInput-caret {
  background: $red;
  border-radius: 100px;
  height: 24px;
  left: 50%;
  margin-left: -2px;
  position: absolute;
  top: 24px;
  transform-origin: top center;
  transform: translateY(-24px) scaleY(0);
  width: 5px;
}

.FancyInput-placeholder {
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
  color: $red;
  width: 200px;
  line-height: 30px;
  left: 50%;
  top: 50%;
  margin: -15px 0 0 -100px;
  position: absolute;
  text-align: center;
  transition: all $line-animation-duration;
}


// Focus state
.FancyInput-input:focus {
  animation: caret-color $caret-color-animation-duration;
  animation-delay: $caret-color-animation-delay;
  animation-fill-mode: forwards;
  
  & + svg path,
  & + svg + svg path {
    stroke-dasharray: 0 $svg-line-length;
  }
  
  & + svg + svg + .FancyInput-caret {
    animation: caret $caret-animation-duration;
    animation-delay: $line-animation-duration;
  }
  
  & + svg + svg + div + .FancyInput-placeholder {
    opacity: 0;
    transform: scale(0);
  }
}


// Info

.Info {
  text-align: left;
  color: rgba(white, 0.3);
  font-size: 14px;
  line-height: 22px;
  max-width: 380px;
  margin: 60px auto 0;
  
  a {
    color: rgba(white, 0.3);
    text-decoration: none;
    border-bottom: thin solid rgba(white, 0.3);
    
    &:hover {
      color: rgba(white, 0.5);
      border-bottom-color: rgba(white, 0.5);
    }
  }
}


            
          
!
            
              // All animations are done in CSS
// JS is only used to hide placeholder div 
// if there is value in the input

const input = document.querySelector('.FancyInput-input');
const placeholder = document.querySelector('.FancyInput-placeholder');


input.addEventListener('blur', () => {
  if (input.value.trim().length > 0) {
    placeholder.style.display = 'none';
  } else {
    placeholder.style.display = null;
  }
});

            
          
!
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