<link href='https://fonts.googleapis.com/css?family=Yellowtail:400' rel='stylesheet' type='text/css'>

<h1 class="neonText">
  Open <br> All Day
</h1>

.neonText {
  color: #fff;
  text-shadow:
      0 0 7px #fff,
      0 0 10px #fff,
      0 0 21px #fff,
      0 0 42px #5271ff,
      0 0 82px #5271ff,
      0 0 92px #5271ff,
      0 0 102px #5271ff,
      0 0 151px #5271ff;
}
  
body {
  font-size: 18px;
  font-family: "Yellowtail", sans-serif;
  background-color: #010a01;
  background-image: url("https://cdn.pixabay.com/photo/2017/02/12/12/42/wall-2059909_640.png")
}  

h1, h2 {
  text-align: center;
  font-weight: 400;
}
  
h1 {
    font-size: 5.2rem;
    animation: pulsate 0.11s ease-in-out infinite alternate;     
}
  
h2 {
    font-size: 1.8rem;
}

@keyframes pulsate {
    
  100% {

      text-shadow:
      0 0 4px #fff,
      0 0 11px #fff,
      0 0 19px #fff,
      0 0 40px #5271ff,
      0 0 80px #5271ff,
      0 0 90px #5271ff,
      0 0 100px #5271ff,
      0 0 150px #5271ff;
  
  }
  
  0% {

    text-shadow:
    0 0 4px #fff,
    0 0 10px #fff,
    0 0 18px #fff,
    0 0 38px #5271ff,
    0 0 73px #5271ff,
    0 0 80px #5271ff,
    0 0 94px #5271ff,
    0 0 140px #5271ff;

}