* {
  font-family: "Poppins", sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
}

h1 {
  font-size: 130px;
  font-weight: 200px;
  color: #fff;
  padding: 40px 60px 55px;
  border: 4px solid #fff;
  cursor: pointer;
  transition: 2s;
  position: relative;
}

h1:hover{
  text-shadow: -2px -2px 10px #fff, 2px 2px 10px #fff, 0 0 20px #f10,
    0 0 40px #f10, 0 0 60px #f10, 0 0 80px #f10, 0 0 10px #f10;
  box-shadow: 0 0 5px #fff, inset 0 0 5px #fff, 0 0 20px #08f,
    inset 0 0 20px #08f, 0 0 40px #08f, inset 0 0 40px #08f;
}
h1::before{
  content: 'CLOSED';
  transition: opacity 0.5s;
}
h1::after{
  position:absolute;
  left:50%;
  transform: translateX(-50%);
  content: 'OPEN';
  opacity: 0;
}

h1:hover::after{
  opacity: 1;
  transition: opacity 1s;
}
h1:hover::before{
  opacity: 0;
}