style.css

.rw-words span {
  animation: rotateWords 35s linear infinite 0s;
}
.rw-words span::after {
  content: "|";
  animation: flicker 0.6s linear infinite 0s;
}
.rw-words span:nth-child(2) {
	animation-delay: 5s;
}
.rw-words span:nth-child(3) {
	animation-delay: 10s;
}
.rw-words span:nth-child(4) {
	animation-delay: 15s;
}
.rw-words span:nth-child(5) {
	animation-delay: 20s;
}
.rw-words span:nth-child(6) {
	animation-delay: 25s;
}
.rw-words span:nth-child(7) {
	animation-delay: 30s;
}
@keyframes rotateWords {
  0% { opacity: 0; animation-timing-function: ease-in-out; width: 0px; }
  10% { opacity: 0; width: 0; }
  11% { opacity: 1; width: 0; }
20% { opacity: 1; width: 100%; }
26% { opacity: 1; width: 0; }
  27% { opacity: 0; width: 0; }
  100% { opacity: 0; }
}
@keyframes flicker {
  0% { opacity: 0; animation-timing-function: ease-in-out; }
  50% { opacity: 1; }
  100% { opacity: 0; }
}

@media screen and (max-width:21em) {
.typewrite {
  font-size: 40px;
}
}
@media screen and (min-width:21em) and (max-width:30em) {
.typewrite {
  font-size: 48px;
}
}
@media screen and (min-width:30em) and (max-width:60em){
.typewrite {
  font-size: 72px;
}
}
@media screen and (min-width:60em){
.typewrite {
  font-size: 96px;
}
}


/* CHECKED STATE STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.more-container [type="checkbox"] {
  opacity: 0;
}
.more-container label {
  display: block;
  width: 100%;
  height: 3em;
  cursor: pointer;
  position: absolute;
  top: 0;
  transition: top .45s cubic-bezier(.44, .99, .48, 1);
}
.more-container label:before,
.more-container label:after {
  position: absolute;
}
.more-container label:before {
  content: 'More';
  left: 10px;
}
.more-container label:after {
  content: '⇣';
  right: 10px;
  -webkit-animation: sudo .85s linear infinite alternate;
  animation: sudo .85s linear infinite alternate;
}
.more-container p {
  display: none;
}
[type="checkbox"]:checked ~ p {
  display: block;
}
.more-container>[type="checkbox"]:checked + label {
  top: 98%;
}
.more-container>[type="checkbox"]:checked + label:before {
  content: 'Less';
}
.more-container>[type="checkbox"]:checked + label:after {
  content: '⇡';
}