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

.loader {
  width: fit-content;
  font-weight: bold;
  font-family: monospace;
  font-size: 30px;
  color: #0000;
  background: linear-gradient(
      90deg,
      #000 calc(50% - 0.5ch),
      #c02942 0 calc(50% + 0.5ch),
      #000 0
    )
    right/calc(200% + 1ch) 100%;
  background-clip: text;
  animation: loading 2s infinite steps(11);
}

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

@keyframes loading {
  to {
    background-position: left;
  }
}