I am <span class="type">
  <span>
    <span>a CSS Hacker</span>
    <span>an expert web developer</span>
    <span>a lazy person!</span>
  </span>
</span>

.type {
  display:inline-block;
  vertical-align: bottom;
}

.type > span {
  display:grid;
  overflow: hidden;
  height:1.2em;
}

.type span span {
  width:0%;
  max-width:max-content;
  overflow: hidden;
  height:inherit;
  word-break:break-all;
  animation:
    c 0.5s infinite steps(1),  
    t 2s linear infinite alternate,
    m 12s steps(3) infinite;
}
.type span span:before {
  content:" ";
  display:inline-block;
}

@keyframes t{
  90%,100% {width:100%}
}

@keyframes c{
  0%,100%{box-shadow:5px 0 0 #0000}
  50%    {box-shadow:5px 0 0 red  }
}

@keyframes m{
  100% {transform:translateY(-300%)}
}


body {
  font-size:40px;
}