#gameOfLifeCanvas {
  position: absolute;
  top: 0;
  left: 0;
  margin: 4rem 1rem 1rem 1rem;
  width: calc(100% - 2rem);
  height: 100%;
  z-index: 0;
  border-radius: 50px;
  pointer-events: auto;
  /* opacity: 0; */
}

/* Le canvas sera derrière le contenu de .landing */
.landing {
  position: relative;
}

.landing .title,
.landing .subtitle {
  position: relative;
  z-index: 1;
}