<p class="typing">
This is the first line of the text effect that reveals itself slowly .
</p>
<p class="typing">
This is the second line of the text effect that reveals itself slowly .
</p>
<p class="typing">
This is the third line of the text effect that reveals itself slowly .
</p>
<p class="typing">
This is the fourth line of the text effect that reveals itself slowly .
</p>

html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}
html,
body {
  margin: 0;
  padding:0;
}
body {
  background: #000;
  color: #fff;
  font-family: monospace;
   -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
.typing {
  font-size: 1rem;
  padding:5px 1rem 5px;
  background-color: black;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: table;
  white-space:nowrap;
  margin: 0 0 .5rem;
}
.typing:after {
  content: "";
  position: absolute;
  left: -10%;
  top: 0;
  right:-10%;
  bottom: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 1) 10%,
    rgba(0, 0, 0, 1) 100%
  );
  animation: reveal 3s linear forwards;
}
@keyframes reveal {
  100% {
    transform: translateX(100%);
  }
}
.typing:nth-child(2):after,
.typing:nth-child(2):before {
  animation-delay: 3s;
}
.typing:nth-child(3):after,
.typing:nth-child(3):before {
  animation-delay: 6s;
}
.typing:nth-child(4):after,
.typing:nth-child(4):before {
  animation-delay: 9s;
}
.typing:nth-child(5):after,
.typing:nth-child(5):before {
  animation-delay: 12s;
}
.typing:before{
  content:"";
  position: absolute;
  top: 50%;
  left: -150px;
  width: 80px;
  height: 0;
  z-index:0;
  border-radius: 50%;
  box-shadow:0 0 20px 10px rgba(255,255,255,0.5);
  animation: glow 3s linear forwards;
}
@keyframes glow {
  100% {
    left: calc(100% + 100px);
  }
}