body {
  font-family: sans-serif;
  color: #fdf3e3;
  background-color: #262522;
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.5;
  padding: 1rem;
  position: relative;
  overflow-y: hidden;
}

.container {
  max-width: 50rem;
  margin: auto;
}

/* #region triangle */
#triangle {
  position: absolute;
  background-color: #fdf3e3;
  width: 100px;
  height: 100px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  left: 0;
  top: 2rem;
}

@media (prefers-reduced-motion: no-preference) {
  #triangle {
    animation-name: fall;
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
  }
  @keyframes fall {
    0% {
      top: calc(0vh - 100px);
    }
    100% {
      top: 100vh;
    }
  }
}
/* #endregion triangle */