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HTML

              
                        <link href="https://fonts.googleapis.com/css?family=Archivo+Black&display=swap" rel="stylesheet">

<p class="logo-1">
      Neon lights
    </p>
    
              
            
!

CSS

              
                :root {
  --shadow-color: #FF9E9E;
  --shadow-color-light: white;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  font-family: "Archivo", sans-serif;
  background-color: #192824;
}

p {
  margin: calc(50vh - 40px) auto 0 auto;
  font-size: 65px;
  text-transform: uppercase;
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: normal;
  display: block;
  height: auto;
  text-align: center;
}

.logo-1 {
  color: white;
  animation: neon 3s infinite;
}

@keyframes neon {
  0% {
    text-shadow: -1px -1px 1px var(--shadow-color-light), -1px 1px 1px var(--shadow-color-light), 1px -1px 1px var(--shadow-color-light), 1px 1px 1px var(--shadow-color-light),
    0 0 3px var(--shadow-color-light), 0 0 10px var(--shadow-color-light), 0 0 20px var(--shadow-color-light),
    0 0 30px var(--shadow-color), 0 0 40px var(--shadow-color), 0 0 50px var(--shadow-color), 0 0 70px var(--shadow-color), 0 0 100px var(--shadow-color), 0 0 200px var(--shadow-color);
  }
  50% {
    text-shadow: -1px -1px 1px var(--shadow-color-light), -1px 1px 1px var(--shadow-color-light), 1px -1px 1px var(--shadow-color-light), 1px 1px 1px var(--shadow-color-light),
    0 0 5px var(--shadow-color-light), 0 0 15px var(--shadow-color-light), 0 0 25px var(--shadow-color-light),
    0 0 40px var(--shadow-color), 0 0 50px var(--shadow-color), 0 0 60px var(--shadow-color), 0 0 80px var(--shadow-color), 0 0 110px var(--shadow-color), 0 0 210px var(--shadow-color);
  }
  100% {
    text-shadow: -1px -1px 1px var(--shadow-color-light), -1px 1px 1px var(--shadow-color-light), 1px -1px 1px var(--shadow-color-light), 1px 1px 1px var(--shadow-color-light),
    0 0 3px var(--shadow-color-light), 0 0 10px var(--shadow-color-light), 0 0 20px var(--shadow-color-light),
    0 0 30px var(--shadow-color), 0 0 40px var(--shadow-color), 0 0 50px var(--shadow-color), 0 0 70px var(--shadow-color), 0 0 100px var(--shadow-color), 0 0 200px var(--shadow-color);
  }
}
              
            
!

JS

              
                
              
            
!
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