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

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #252839;
}

h2 {
  position: absolute;
  font-size: 10vw;
  color: #252839;
  -webkit-text-stroke: 0.5vw #329d52;
  text-transform: uppercase;
}

h2::before {
  content: attr(text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #01fe87;
  overflow: hidden;
  border-right: 2px solid #01fe87;
  animation: textAnimate 6s linear infinite;
}

@keyframes textAnimate {
  0%,
  10%,
  100% {
    width: 0;
  }

  70%,
  90% {
    width: 100%;
  }
}