body {
  height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.loader {
  width: fit-content;
  font-weight: bold;
  font-family: cursive;
  font-size: 40px;
  clip-path: inset(0 2ch 0 0);
  animation: loading 1s steps(4) infinite;
}

.loader::before {
  content: "Loading...";
}

@keyframes loading {
  to {
    clip-path: inset(0 -1ch 0 0);
  }
}