style2.css

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Roboto";
  font-weight: 90;
}

body {
  font-size: 10px;
  color: hsla(210deg, 100%, 100%, 1);
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

h1 {
  text-transform: uppercase;
  letter-spacing: 1em;
  font-size: clamp(1em, 5vw, 4em);
  animation: breath 10000ms ease-in-out infinite alternate;
}
h1 > .last {
  letter-spacing: 0;
}

@keyframes breath {
  0% {
    transform: scale(1);
  }
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  padding: 0;
  background-color: hsla(240deg, 20%, 20%, 1);
}